Find the length of the second base of a trapezoid with one base measuring 15 feet, a height of 7. 6 feet, and an area of 98. 8 square feet.

Sujal asked Sep 22, 2022

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Sujal asked Sep 22, 2022

by Sujal

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7 votes

Answer:

b = 11

Step-by-step explanation:

A = 1/2h·(sum of bases)

let 'b' = unknown base

98.8 = 0.5(7.6)·(15+b)

98.8 = 3.8(15+b)

98.8 = 57 + 3.8b

41.8 = 3.8b

b = 11

Jamgold answered Sep 29, 2022

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