The pyramid in the figure is based on a square with a side of 2 cm and the triangles that form the four lateral faces are equilateral. Do you calculate the height "h" of the lateral faces?
A.
1,41 cm
B.
2,45 cm
C.
4,34 cm
D.
5,7 cm
2.
Find the total area of the following pyramid
A.
124,67 cm2
B.
123,6 cm2
C.
132,45 cm
D.
154,43 cm2
3.
Find the volume of a 3 cm high pyramid whose base is a square with side 4 cm.
A.
13 cm3
B.
14 cm3
C.
16 cm3
D.
15 cm3
4.
calculate the volume of the roof of a house, which is shaped like a pyramid, whose base area measures 10 and its height 12.