Calculate the radius of sector whose area and arc 60cm and 20cm
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Let angle of the sector = A
length of arc = 20 cm
2ΠrA/360° = 20 cm
A/360° = 10/Πr cm
area of sector = 60 cm^2
Πr^2A/360° = 60 cm^2
Πr^2 × 10/Πr = 60 cm
10r = 60 cm
r = 6 cm
so , radius of sector = r = 6 cm
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length of arc = 20 cm
2ΠrA/360° = 20 cm
A/360° = 10/Πr cm
area of sector = 60 cm^2
Πr^2A/360° = 60 cm^2
Πr^2 × 10/Πr = 60 cm
10r = 60 cm
r = 6 cm
so , radius of sector = r = 6 cm
hope it will help u
also mark it as brainliest if u like my method .
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