The area of minor sector of a circle is 3.85cm2 and the measure of its central angle is 36°.find the radius of the circle
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area of sector = πr^2Theta/360
22/7*r*r*36/360=385/100
22/7*r*r*1/10=385/100
11/7*r*r*1/5=385/100
11/35r^2=77/20
r^2=77/20*35/11
r^2=7/4*7/1
r^2=49/4
r=√49/4
r=7/2 cm
hope this help
jai bhole ki
22/7*r*r*36/360=385/100
22/7*r*r*1/10=385/100
11/7*r*r*1/5=385/100
11/35r^2=77/20
r^2=77/20*35/11
r^2=7/4*7/1
r^2=49/4
r=√49/4
r=7/2 cm
hope this help
jai bhole ki
Kushal554:
kya hua bro thhik nhi lga answer
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