Imprimer Test: activity on pyramids (9º - Secundaria - piramide - geometria del espacio - geometría

1.

A pyramid with a square base whose measure is 5cm, and the lateral edge is 8 cm. How high is the pyramid?

A.

h=7,17 m

B.

h=7,17 cm

C.

h=8,2 m

D.

h=8,2 cm

2.

Find the Total area of the roof of a hut that is shaped like a Pyramid (see image) whose base is square 3.5m and the height is 10 meters.

A.

AT=83,3133 m^2

B.

AT=73,3133 cm^2

C.

AT=83,3133 cm^2

D.

AT=73,3133 m^2

3.

Find the volume of a hut that is shaped like a Pyramid (see image) whose base is square 3.5m and the height is 10 meters.

A.

V=83,6 m^3

B.

AT=83,6 cm^3

C.

AT=40,83 cm^3

D.

V=40,83 m^3

4.

According to the first question, the apothem can be found by:

A.

Pythagorean theorem

B.

Multiplying the edge and the base

C.

Subtracting the apothem of the base and the lateral edge of the pyramid

D.

Adding all your measurements.