A trapezoid has an area of 166.5 in.², a height of 9 in., and one base measuring 15 in. What is the length of the other base?
2 answers:
Answer:
D) 22 in
Step-by-step explanation:
Area of a trapezoid A = h/2*(base 1 + base 2)
Given:
A = 166.5
h = 9, base 1 = 15
Plugging in the given values into the formula, we get
166.5 = 9/2*(15 + base 2)
166.5 = 4.5(15 + base2)
166.5/4.5 = 15 + base 2
37 = 15 + base 2
base 2 = 37 - 15
base 2 = 22 in
Answer: D) 22 in
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