3 years ago

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

Mathematics

1 answer:

solniwko [45]3 years ago

6 0

Answer:

15.7 cm

Step-by-step 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

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