21 April, 11:34
What is the surface area of a square pyramid with a length of 5cm and a slant height of 8 cm?
21 April, 12:19
Step-by-step explanation:The surface area of a square pyramid = 1/2 * slant height * base perimeter + area of base
The slant height is 8 cm
The base perimeter is 4 * 5 cm = 20 cm
The area of the base is 5 cm * 5 cm = 25 cm**2
Plugging into the formula the area =
1/2 * 8 cm * 20 cm + 25 cm**2 =
4 cm * 20 cm + 25 cm**2 =
80 cm**2 + 25 cm**2 = 105 cm**2
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» What is the surface area of a square pyramid with a length of 5cm and a slant height of 8 cm?