Question

If the length of the 45° region of this circle is 10 inches, what is the radius of the circle

Answer 1

12.72

Step-by-step explanation:

length of 45° region(arc) = 10

length of its circumference = 360 × 10/45

= 80

2 *22/7 * r = 80 => r = 12.72 inch

Answer 2

r = 12.72 inch...........