Imprimer Test: test on cones (9º - Secundaria - el cono y sus partes

1.

when we mention that: it is the circle that generates the rotation of the other side and on which the cone rests. we are talking about:

A.

axis

B.

base

C.

lateral face

D.

vertex

E.

2.

How many plane figures is a cone made of?

A.

2

B.

3

C.

4

D.

1

3.

Which of the following formulas can be used to find the generatrix?

A.

g=〖πr〗^2

B.

g=(b.h)/2

C.

g^2=h^2+a^2

D.

g^2=h^2+r^2

4.

the generatrix of a cone 5cm high and 2.5cm in radius is:

A.

5,59

B.

5,35

C.

5,56

D.

6,25

5.

the volume of a cone is:

A.

capacity of a solid

B.

your internal measurements

C.

the sum of the area of the circle and the semicircle.

D.

all of the above

6.

what is the formula to find the volume of a cone?

A.

v=(b*h)/2

B.

v^2=h^2+a^2

C.

v=(π*r^2*h)/3

D.

v=a+b+c

7.

In my house there is a conical tank 60 cm high and 20 cm in radius. What is the capacity of the tank?

A.

25120 cm

B.

25120cm3

C.

52120cm

D.

52120cm3