Use geometry to evaluate the integral?

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1 Answer
Yousef A.
Feb 7, 2018

13.5

Explanation:

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you need to find the blue area (between 0 to 6)
since this is clearly a trapezoid, u can use its area formula:
A=1/2(b1+b2)h
b1=3
b2=6
h=3
A=1/2(3+6)(3)
A=27/2=13.5

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