You can do this on a calculator if you search up online radius and height measurement calculator.
These 2 angles are "vertical angles." Thus, angle 1 = angle 4.
Therefore, 6x+1 = 8x-17. Solving for x, 2x = 18 and x = 9 (answer)
A rational number can be expressed as the ratio of two integers.

Where a and b are integers and b is not equal to 0.
The rational number 8.8 can be expressed as two integers. Like
Area = πr²
Area = 3.14 x (11 ÷ 2)²
Area = 94.99 ft²
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Answer: Area = 94.99 ft²
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