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In the given figure the the radius of the circle is 7cm find the area of the segment pqr 8th question |
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Answer» sector POR=( theta/360) *PI*r * rTherefore, area of sector POR= 30/360 *22/7 *7*7 = 1/12* 22* 7 = 77/6Area Of segment PQR= area of sector- area of triangle POR= 77/6 - 1/2* r* r*SIN 30 = 77/6 - 49/2* 1/2 = 77/6 -49/4 = 7/12 cm2 |
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