Question

Calculate the area of a quarter circle with diameter 10 cm. Write your answer in terms of π.

Answer 1

Answer:

Step-by-step explanation:A=πr2

d=2r

Solving forA

A=1

4πd2=1

4·π·102≈78.53982cm²

Answer 2

Answer:

Step-by-step explanation:A=Tr2

d=2r

Solving forA

A=1

4nd2=1

4-TT-102=78.53982cm²