Plzzz helpp find the length of arc AD. use 3.14 for pi. round to the nearest tenth

Question

asked Sep 8, 2021 133k views

2 Answers

Jazimov · Answer 1 · 2021-09-14T06:28:32+0000

Answer:

15.7 cm

Explanation:

Angle AD = 180°- 66.4°= 113.6° (considering 2x90°=180° on opposite side)

P= 2*3.14*7.9=49.6 cm

Arc AD= 49.6*113.6°/360°= 15.7 cm