Question

Find the length of arc CD. Use 3.14for tt. Round to the nearest tenth.h 7.9 cm66.40D[? ]cm

Answer 1

For this problem we know that the radius is 7.9cm and the angle between C and D is 66.4ª. We also want to find the arclenght so we can use the following formula:

`AL=(x)/(360)\cdot2\pi r`

Where x is the angle and r the radius r=7.9cm. So then replacing into the function we got:

And if we round to the nearest tenth we got 9.2 cm