ACT 2021 April(D05) Math Question 25 Explanation - ACT Helper

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2021 April(D05) Math Question 25
Perimeter, Area, Volume
- Triangles, Squares, Rectangles, Circles
Area of Circle, Area of Triangle, Equation of a Circle, Tangent to a circle
Choice C
$r = | h | = | - 3 | = 3$
area of circle = $π r^{2} = π 3^{2} = 9 π$
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