Question

for the sectors with given measures,find the length of the arc,area and perimeter. (π=3.14)(π=3.14) central angle45°,r=16cm​

Answer 1

Length of an arc of circle is (θ/360o )x 2πR

θ= 30o; R=14 cm

Length of arc= (30o/360o )x 2(22/7)x14

= 88/12 cm =7.33 cm