Point B is between Q and R on Q through R. BR = 16.9 and QR = 51.5. Sketch to determine the length of QB. A. QB = 34.6 c. QB = 1
6.8 b. QB = 20.7 d. QB = 35
1 answer:
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Answer:
radius = 5 in
Step-by-step explanation:
Using the formula for calculating the area (A) of a circle
A = πr² ( r is the radius )
here A = 78.5, hence
3.14r² = 78.5 ( divide both sides by 3.14 )
r² = = 25 ( take the square root of both sides )
r = = 5