Surface area of pyramids from a net

Add the area of the base to the area of each triangle. A triangle's area is one half of its base times its height.

1. A net for a square pyramid has a square base with sides 4 ft. Each of its four triangles has base 4 ft and height 9 ft. What is the surface area of the pyramid in square feet?
2. A net for a square pyramid has a square base with sides 5 in. Each of its four triangles has base 5 in and height 6 in. What is the surface area of the pyramid in square inches?
3. A net for a square pyramid has a square base with sides 5 cm. Each of its four triangles has base 5 cm and height 2 cm. What is the surface area of the pyramid in square centimeters?
4. A net for a square pyramid has a square base with sides 6 ft. Each of its four triangles has base 6 ft and height 8 ft. What is the surface area of the pyramid in square feet?
5. A net for a square pyramid has a square base with sides 11 in. Each of its four triangles has base 11 in and height 8 in. What is the surface area of the pyramid in square inches?
6. A net for a square pyramid has a square base with sides 11 ft. Each of its four triangles has base 11 ft and height 14 ft. What is the surface area of the pyramid in square feet?
7. A net for a square pyramid has a square base with sides 9 m. Each of its four triangles has base 9 m and height 5 m. What is the surface area of the pyramid in square meters?
8. A net for a square pyramid has a square base with sides 4 cm. Each of its four triangles has base 4 cm and height 2 cm. What is the surface area of the pyramid in square centimeters?
9. A net for a pyramid has a rectangular base 9 ft by 2 ft. Two of its triangles have base 9 ft and height 14 ft. The other two have base 2 ft and height 13 ft. What is the surface area of the pyramid in square feet?
10. A net for a pyramid has a rectangular base 3 in by 8 in. Two of its triangles have base 3 in and height 10 in. The other two have base 8 in and height 11 in. What is the surface area of the pyramid in square inches?
11. A net for a pyramid has a rectangular base 5 ft by 7 ft. Two of its triangles have base 5 ft and height 7 ft. The other two have base 7 ft and height 6 ft. What is the surface area of the pyramid in square feet?
12. A net for a pyramid has a rectangular base 7 cm by 6 cm. Two of its triangles have base 7 cm and height 11 cm. The other two have base 6 cm and height 4 cm. What is the surface area of the pyramid in square centimeters?
13. A net for a square pyramid has a square base with sides 2 in. Each of its four triangles has base 2 in and height 9 in. What is the surface area of the pyramid in square inches?
14. A net for a pyramid has a rectangular base 5 in by 3 in. Two of its triangles have base 5 in and height 5 in. The other two have base 3 in and height 6 in. What is the surface area of the pyramid in square inches?
15. A net for a pyramid has a rectangular base 8 in by 9 in. Two of its triangles have base 8 in and height 15 in. The other two have base 9 in and height 3 in. What is the surface area of the pyramid in square inches?
16. A net for a square pyramid has a square base with sides 8 cm. Each of its four triangles has base 8 cm and height 10 cm. What is the surface area of the pyramid in square centimeters?
17. A net for a square pyramid has a square base with sides 14 cm. Each of its four triangles has base 14 cm and height 23 cm. What is the surface area of the pyramid in square centimeters?
18. A net for a pyramid has a rectangular base 18 in by 7 in. Two of its triangles have base 18 in and height 10 in. The other two have base 7 in and height 8 in. What is the surface area of the pyramid in square inches?
19. A net for a square pyramid has a square base with sides 8 m. Each of its four triangles has base 8 m and height 20 m. What is the surface area of the pyramid in square meters?
20. A net for a pyramid has a rectangular base 17 m by 8 m. Two of its triangles have base 17 m and height 10 m. The other two have base 8 m and height 23 m. What is the surface area of the pyramid in square meters?