Preguntas propuestas
3 2015 • Aptitud académica • Matemática • Comunicación • Ciencias Naturales • Ciencias Sociales
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Geometría Cuadriláteros I
4.
A partir del gráfico, calcule x. 2
NIVEL BÁSICO
1.
A partir del gráfico, calcule a. x
5α 160º
11
3α
2α
A) 15º D) 36º 2.
B) 20º
A) 6 D) 5
C) 28º E) 10º
5.
B) 3,5
C) 7 E) 6,5
A partir del gráfico mostrado, calcule x.
En el gráfico, ABCD es un trapezoide simétrico. Calcule a.
65º
75º
B
α
A
C
100º x
A) 100º B) 140º C) 95º D) 150º E) 120º
D
A) 90º D) 85º 3.
B) 70º
C) 65º E) 95º
En el gráfico, ABCD es un trapecio de bases BC y AD. Calcule a – q. B 100º
6.
A partir del gráfico, calcule x.
C 130º
130º 100º
x
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Geometría 7.
En el gráfico, BC // AD, AM = MC y BN = ND. Calcule x.
A) 15 B) 5 2 C) 8 D) 2 3 E) 12
3
B
C
10.
M
Según el gráfico, AB= BC . Calcule q.
N x
A 70º
D
A
30º θ
13
A) 4 D) 7,5 8.
B) 6
C) 5 E) 3,5
B
Si ABCD es un trapecio isósceles de bases BC y AD, calcule a. B
C
C
A) 30º D) 40º
50º
11.
B) 20º
A partir del gráfico, calcule
C) 15º E) 10º AB
.
BC
α
A
30º A
α
D
A) 20º D) 15º
B) 10º
C) 13º E) 8º
α
B
NIVEL INTERMEDIO ω ω
9.
Según el gráfico, AB= BC =4 =4 y CD=3 Calcule AD. B C
2.
C
A) 1 D) 0,5
B) 2
C) 3 E) 1,5
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Geometría A) 53º B) 60º C) 45º D) 75º E) 37º
NIVEL AVANZADO
13.
En un trapecio rectángulo ABCD, recto en A y B, M es es punto medio de CD y AB= BM . Calcule m MBC .
E
B
ω
C
α
A) 60º B) 15º C) 30º D) 45º E) 25º 14.
En el gráfico, ABCD es un trapecio isósceles, tal que BC // AD, AC =5, =5, BE =3 =3 y DE =4. =4. Calcule a+w.
A
15.
D
Se tiene un trapezoide ABCD, tal que =60º y m BCD=150º. BC =CD= AD, m ADC =60º Calcule mCBA. A) 60º D) 45º
B) 30º
C) 53º E) 37º
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Geometría Cuadriláteros II
4.
En el gráfico, O es centro del rectángulo ABCD y OE = ED. Calcule a.
NIVEL BÁSICO B 1.
C
15º
En el gráfico, ABCD es un romboide. Calcule a – q. B
O
C θ
α
α
A
E
D
50º A
D
A) 50º D) 30º 2.
B) 40º
A) 15º D) 20º
C) 80º E) 20º
5.
B) 30º
C) 40º E) 35º
Si ABCD es un romboide y EC =5. =5. Calcule AD.
Según el gráfico, ABCD es un rombo. Calcule q.
B
B
ω
C ω
100º
A
θ
E
C
D
A) 20º D) 80º 3.
B) 50º
A
C) 40º E) 45º
Según el gráfico, ABCD es un cuadrado y AE = ED. Calcule a. B
D
A) 10 D) 2,5 6.
B) 4
C) 6,5 E) 5
En el rombo ABCD, AC =8 =8 y BD=6. Calcule a. B
C
α
A
α
C
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Geometría 7.
En el gráfico, ABCD es un cuadrado y EF = ED. Calcule a. B
10.
En el gráfico, ABCD es un rectángulo y EC = BD. Calcule x.
C
50º
E x
E
α
F
B
A
C
D 40º
A) 65º D) 85º 8.
B) 50º
C) 80º E) 75º
20º
A
Según el gráfico, ABCD es un rectángulo. ED. Calcule BF / B
D
A) 40º D) 55º
B) 25º
C) 30º E) 45º
C 11.
E
Según el gráfico, ABCD es un rombo. BF . Calcule BE / B
F A
A) 0,5 D) 1
D
B) 0,25
A
C) 2 E) 1,5
C
F
E
D
NIVEL INTERMEDIO 9.
A) 1 D) 0,5
Según el gráfico, ABCD es un cuadrado y AO= DE . Calcule q. B
C
A) 30º
D) 15º
O
C) 1,5 E) 2
En el gráfico, AF =5 =5 y EC =12. =12. Calcule BC . B
B) 37º/2 C) 45º/2
12.
B) 3
F
C α
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Geometría 14.
NIVEL AVANZADO
13.
En el gráfico, ABCD es un cuadrado, AF = FD y CE = ED. Calcule x. B
A) 2 D) 1
C
15.
E x
A
A) 100º D) 90º
F
B) 85º
D
C) 127º E) 74º
Se tiene un paralelogramo ABCD y se traza AP bisectriz del ángulo BAD ( P en BC ). ). Se toma el punto Q en CD, tal que m APQ=90º, AB=6 y AD=8. Calcule QD. B) 4
C) 5 E) 3
Se tiene el rombo ABCD. Sobre BC y y exteriormente al rombo se traza el triángulo equilátero BPC . Si m ADB=75º, calcule m CPD. A) 30º B) 60º C) 25º D) 15º E) 45º
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Geometría Circunferencia
4.
Según el gráfico, CD=5. Calcule AB. A
NIVEL BÁSICO
120º 1.
En el gráfico,
CD=50º. Calcule
A
C
m AB.
θ
C
θ
30º
D
B
D
B
A) 110º D) 100º 2.
B) 90º
A) 5 D) 5
C) 80º E) 120º
5.
Si T es es punto de tangencia, calcule a.
B) 5
C) 2 5 E) 10
3
2
En el gráfico, T es es punto de tangencia. Calcule a.
15º
α
20º
40º α
T
T
A) 30º D) 45º
B) 20º
C) 10º E) 35º
60º
A) 60º D) 70º
B) 55º
C) 80º E) 75º
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Geometría 7.
Si A y B son puntos de tangencia, R=2, calcule AB.
10.
A partir del gráfico, calcule
AC
.
BC C
A R A
B
A) 3 D) 2
B
A) 2 2 D) 4 8.
B) 2
C) 2 E) 3
3
11.
2
B) 2
C) 1 E) 4
Si M , N , P y Q son puntos de tangencia, calcule la longitud del perímetro del cuadrilátero.
Si A y B son puntos de tangencia, calcule a.
N
A
M
α
P 3
50º
B
Q
A) 150º D) 120º
B) 130º
A) 24 D) 18
C) 80º E) 100º 12.
NIVEL INTERMEDIO
B) 12
C) 36 E) 48
En el gráfico, R=3 y CD=2. Calcule m CD.
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Geometría A) 80º
NIVEL AVANZADO
13.
B) 130º C) 110º
Según el gráfico, A, B y C son son puntos de tangencia. Calcule
AD CE
D) 100º
.
E) 90º D
A) 2 B) 0,5 C) 1 D) 2 E) 2 2
15.
45º
A B
Si A y B son puntos de tangencia, calcule x.
E
x A
C
B
14.
En el gráfico, m AB=40º. Calcule x.
110º
B A
A) 110º x
B) 55º C) 95º D) 70º E) 90º
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Geometría Teoremas asociados a la circunferencia
4.
Si A y B son puntos de tangencia y CD=10, calcule AB.
NIVEL BÁSICO C 1.
50º
En el gráfico mostrado, OH =3. =3. Calcule AB. B
O
80º
D
53º/2 A
A
B
H
A) 10 D) 5 A) 15 D) 6
B) 9
C) 18 E) 12
5.
B) 20
C) 8 E) 12
Según el gráfico, AC // // BD, CF // DE y y m EF =50º. Calcule m AB .
2.
Según el gráfico, A y C son son puntos de tangencia. Calcule a.
C D
A α
B A
220º
B
E F
C
A) 40º D) 20º
B) 15º
C) 35º E) 25º
A) 40º D) 35º
B) 50º
C) 45º E) 25º
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Geometría 7.
En el gráfico, A y C son son puntos de tangencia. Si AB=5, calcule AC .
10.
En el gráfico, T y D son puntos de tangencia. Si ABCD es un cuadrado, calcule a. B
C
A α
T B
37º
C A
A) 8 D) 3 8.
B) 6
C) 12 E) 4
En el gráfico, AC = BD. Calcule
m AB
mCD
B
C
A) 53º D) 37º . 11.
D
B) 30º
C) 15º E) 45º
A partir del gráfico, calcule
m AB
m BC
B
.
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Geometría A) 37º B) 60º C) 45º D) 74º E) 53º
NIVEL AVANZADO
13.
En el gráfico, AB=4. Calcule CD. A) 3 B) 4 C) 1,5 D) 2 E) 2,5
D C 15.
B
Según el gráfico, T es punto de tangencia y m BC =120º. Si ABDT es un paralelogramo, calcule a.
A
C
14.
Si M y T son puntos de tangencia, tal que AO= BT , calcule a. B
B
D
α
α
T
A
30º
A
O
M
A) 80º B) 50º
T
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Geometría Posiciones relativas entre dos circunferencias
4.
Según el gráfico, A es punto de tangencia. Calcule m ABC .
NIVEL BÁSICO 120º 1.
A
En el gráfico, A es punto de tangencia. Calcule m AMB.
C
D
B M
B
A
50º
A) 50º D) 150º 2.
B) 120º
A) 260º B) 200º C) 280º D) 240º E) 220º
C) 80º E) 100º
Si T es es punto de tangencia, calcule AB.
5.
Si A, B y C son son puntos de tangencia, calcule AC .
T
2
A
A
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Geometría 7.
Según el gráfico, T es es punto de tangencia. Calcule a. T
A) 40º D) 80º 10.
B) 120º
C) 20º E) 140º
Si A, B y C son son puntos de tangencia, calcule a. R
R
B 30º α
10º
α
A
A) 40º D) 50º 8.
B) 65º
A) 30º D) 60º
C) 71º E) 48º
En el gráfico, B y D son puntos de tangencia. Si AC =10, =10, calcule DE .
11.
C
B) 37º/2
C) 53º/2 E) 45º/2
Según el gráfico, AC // BD. Calcule mCD .
C A
C B A
80º
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Geometría A) 2 B) 0,5 C) 0,25 D) 1,5 E) 1
NIVEL AVANZADO
13.
Si M , N y y T son son puntos de tangencia, calcule la longitud del perímetro de la región triangular ABC . N
M
A) 8 B) 24 C) 16 D) 12 E) 20
15.
B
T
C
En el gráfico, los puntos A, B, C , D, E , F y y G son de tangencia. Calcule a.
A
α
4
A
14.
B
R
En el gráfico, C es es punto de tangencia. Calcule
AB
.
C
BC
F
G E
C
R
B A
A) 30º B) 75º
R
D
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Anual Integral
CUADRILÁTEROS I
CUADRILÁTEROS II