the area of Minor sector of a circle is 3.85 cm² and m of central angel is 36° find radius
Answers
Answered by
6
Answer:
We know t/360*πr²=3.85
=36°/360*πr²=385/100
=1/10*22/7*r²=77/20
=1/5*11/7*r²=77/20
=1/5*1/7*r²=7/20
r²=7×7×5/20
r=7/2=3.5cm
Step-by-step explanation:
Similar questions