Answer:
b
Step-by-step explanation:
a x (b + c) = (a x b) + (a x c)
Add the 28 and 42
then divide by 2
there should be 35 kids in group
Answer:
Area of the circle = 
Step-by-step explanation:
Radius of the circle= 
Area of the circle= 
As,

Area of the circle is:

The Area of the circle is : 