Question

Can somebody help me on this

Answer 1

First find the circumference of the circle. 
Formula for this is πd. 
Diameter is twice radius. 
1.2 x 2 = 2.4 
3.14 x 2.4 = 7.536 
152º is about 42% of the circle. 
Multiply 7.536 by .42. 
It's approximately 3.2. 
Hope this helps!