Answer:
Step-by-step explanation:
20/7 times 21/4 is 420/28, which is 15 simplified.
The area is 15 sq ft, or choice A
Answer:
A and C
Step-by-step explanation:
I just answered the question.
Answer:
The diameter of the pizza = 14 in
Radius of the pizza = (14/2)in = 7in
Area of a whole pizza =
πr^2
=( 22/7 × 7^2)in^2
=( 22/7 × 49)in^2
154 in^2
Area of a half pie =( 1/2 × 154)in^2 = 77in^2
Area of one of 8 slices = (1/8 × 154)in^2 = 19.25in^2
Hope it helps