The net of a pyramid, circle and sphere, the cylinder and its net
Answers are for parents and teachers.
1
How many cm is the diameter of a circle with radius 12 cm?
24
2
A pyramid has a base of 25 cm² and 4 side faces of 18 cm² each. What is its total surface area in cm²?
97
3
The lateral net of a cylinder is a 40 cm × 15 cm rectangle. What is its area in cm²?
600
4
A sphere has diameter 26 cm. What is its radius in cm?
13
5
How many pieces are in the net of a hexagonal pyramid?
7