SOLUTION: Hello, if you could please give me the step-by-step solution to the following question I'd be very grateful, thanks: A circle has a radius of x. A trapezium has (top and bottom)

Question 747587: Hello, if you could please give me the step-by-step solution to the following question I'd be very grateful, thanks:
A circle has a radius of x. A trapezium has (top and bottom) sides of length x+2 and 7, the perpendicular height is πx. They have the same area. What is the value of x?
So, πx^2=(x+9)/2*πx
Answer by KMST(5328) (Show Source): You can put this solution on YOUR website!
Your equation is correct.

Dividing both sides of the equal sign by , and then multiplying both sides times 2, we get
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Then subtracting x from both sides, we get
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