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Readme [11.4K]
2 years ago
11

Jim is building a model of a square pyramid for a class project. The side length of the square base is 20 inches and the slant h

eight of the pyramid is 13 inches. What is the surface area of the model pyramid?
Mathematics
1 answer:
Brums [2.3K]2 years ago
3 0

Answer:

SA = 920 inches^{2}

Step-by-step explanation:

Given Data:

Slant height of square pyramid = l = 13 inches

Base edge of square pyramid = s = 20 inches

To Find Out:

Surface area of square pyramid = SA = ?

Formula:

 SA = s^{2}   +  2 * s * l

Solution:

 SA = s^{2}   +  2 * s * l

SA = 20^{2}   +  2 * 20 * 13

SA = 400  +  520

SA = 920 inches^{2}

 

 

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