The radius of a semi-circular plot is 21 centimetre. Find the area of the circle.
Share
The radius of a semi-circular plot is 21 centimetre. Find the area of the circle.
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
693cm^2
Step-by-step explanation:
A=half of pie × R^2