Solve for x in the diagram below. 3 x ∘ (x+42) ∘
1 answer:
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Answer:
a. 18 cm
Step-by-step explanation:
We are given that a circle has an area of 324π cm2. We are required to determine its radius. The formula for the area of a circle with radius r units is;
We plug in the area given and solve for r;
The radius of the circle is 18 cm