Discover the best answers to your questions with the help of IDNLearn.com. Our experts provide timely, comprehensive responses to ensure you have the information you need.
Answer:
L = pi R length of arc of semi-circle
A = pi R^2 area of circle
A = pi * (L / pi)^2 substituting from first equation
A = L^2 / pi = 15^2 / 3.14 = 71.6 cm^2