Evaluate 4a 5b when a = 2 and b = 3.1. a. 6.5 b. 16.1 c. 21.5 d. 7.5
1 answer:
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Answer:
28.27 in²
Step-by-step explanation:
The equation for the area of a circle is A = π. However, we got the diameter.
diameter = 2(radius), so:
A = πd².
A = 1/4 * π * 6² ≈ 28.27433