
Guía de Matemáticas III
Authored by Exequiel Álvarez
Mathematics
9th Grade
Used 1+ times

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6 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De un triángulo rectángulo cuyos catetos miden 12 y 16 cm, su hipotenusa es:
18
20
10
28
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Se coloca una escalera de 5 metros a una pared, si de la base de la escalera a la pared tiene un valor de 3 metros. ¿Cuál es la altura de la pared?
4
2
8
6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
De un triángulo equilátero de lado 8 cm, ¿Cuál es la su altura?
√40
√12
√48
√60
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
En un salón de clases de 25 alumnos, 14 prefieren el color rojo, 15 el color azul y 8 ambos colores. Encuentra la probabilidad de que al elegir un alumno prefiera solo el color rojo.
14/25
15/25
8/25
6/25
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Encuentra el volumen de una caja que tiene como medidas a=7x+4, b=6x-3, c=10.
420x^2+30x-120
420x^2-30x-120
420x^2+30x+120
420x^2+450x-120
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Un terrero tiene un área de 600 m^2 , las medidas de sus lados son: a=3x-10 y b= 2x+10. Encuentra las dimensiones del terreno.
a=15 m b=40 m
a=10 m b=30 m
a=20 m b=30 m
a=60 m b=10 m
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