A wire of length 121cmis bend to As to lie along the arc of circle of radius 180cm find in degree the angle subtended at the centre by arc
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Radius of circle = 180 cm
Circumference = 2πr = 360 * 22 /7
Length of wire = 121 cm
Angle subtended by arc on center = length of arc / circumference * 360°
= 121 *7 * 360 / (360 *22)
=38.5°
Circumference = 2πr = 360 * 22 /7
Length of wire = 121 cm
Angle subtended by arc on center = length of arc / circumference * 360°
= 121 *7 * 360 / (360 *22)
=38.5°
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The angle subtended at the centre by arc is 38.5
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