Question

How do I solve this problem? Please show me!

Answer 1

9514 1404 393

Answer:

arc AB = 12.4 cm

Explanation:

The length of arc AB is 1/4 of the circumference of the circle, so is ...

AB = (1/4)(2πr)

= (π/2)r = (3.14/2)(7.9 cm) = 12.403 cm

Rounded to the nearest tenth, arc AB = 12.4 cm.