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29 votes
29 votes
An attic wall is in the shape of a trapezoid. The bases are 12 ft and 25 ft. The area is 185 square feet. What is the height? A = 1/2 h (b + b)

User Mark Mucha
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1 Answer

18 votes
18 votes

Answer: b = 2A - B

Explanation:

2. A = 2 . 1/2 . h (B + b)

2A = h (B+b)

2A/= h/h . (B+b)

2A/h = B+b

2A - B = B - +b

b = 2A - B

User Paperduck
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2.8k points