Concept explainers
To calculate the surface area of pyramid.
Answer to Problem 32E
Explanation of Solution
Given Information: 2 Pyramids are given Pyramid 1 Base b = 45 ft. and Slant Height s = 30 ft.
Pyramid 2 Base b = 45 ft. and Slant Height s = 50 ft.
Formula Used:
Surface area of square pyramid =
Total Surface area of pyramid = Surface area of first pyramid + Surface area of second pyramid
Calculation:
Total Surface area of pyramid = Surface area of first pyramid + Surface area of second pyramid
Surface area of square pyramid =
FIRST PYRAMID-
Surface area of first square pyramid =
Base b = 45 ft. and Slant Height s = 30 ft.
Now put the value of b and s to find Surface area of first square pyramid
Surface area of first square pyramid =
SECOND PYRAMID-
Surface area of second square pyramid =
Base b = 45 ft. and Slant Height s = 50 ft.
Now put the value of b and s to find Surface area of second square pyramid
Surface area of second square pyramid =
Total Surface Area of Pyramid
Total Surface area of pyramid = Surface area of first pyramid + Surface area of second pyramid
Now put the value of Surface area of first pyramid and Surface area of second pyramid
So,
Total Surface area of pyramid =
So,
Total Surface area of pyramid =
So,
Surface area of square pyramid =
Hence,
Total Surface area of square pyramid =
Chapter 10 Solutions
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
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