Gina drew a circle with right triangle prq inscribed in it as shown below.
if the measure of arc qr is 100°, what is the measure of angle pqr?
a.) 65°
b.) 75°
c.) 40°
d.) 50°

The correct option is:  C) 40°

Step-by-step explanation:

The measure of arc is

So,  

Now, as is right triangle, so

Sum of all three angles in any triangle is always

So,

Thus, the measure of is  

the answer is 8

step-by-step explanation:

3.14 x 8x8

1/800 is the right answer