find the area of a sector of the circle with radius 14 cm if the lengthof corresponding arc is 22 cm.
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13
Radius = 14 cm
Length of arc = 22 cm
=> 2* pi * r * A/360 = 22
=> 2*22*14*A/7 *360 = 22
=> 44* 2*A = 22*360
=> A = 22*360/44*2
=> A = 90°
AREA = pi *r^2 * 90 / 360
= 22*14*14 *90/7*360
= 22*2*14/4
= 11*14
= 154 cm^2
Length of arc = 22 cm
=> 2* pi * r * A/360 = 22
=> 2*22*14*A/7 *360 = 22
=> 44* 2*A = 22*360
=> A = 22*360/44*2
=> A = 90°
AREA = pi *r^2 * 90 / 360
= 22*14*14 *90/7*360
= 22*2*14/4
= 11*14
= 154 cm^2
Answered by
3
Radius = 14 cm
Length of arc = 22 cm
=> 2* pi * r * A/360 = 22
=> 2*22*14*A/7 *360 = 22
=> 44* 2*A = 22*360
=> A = 22*360/44*2
=> A = 90°
AREA = pi *r^2 * 90 / 360
= 22*14*14 *90/7*360
= 22*2*14/4
= 11*14
= 154 cm^2
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