Answer:
428.7 mm²
Step-by-step explanation:
The area (A) of the sector is calculated as
A = area of circle × fraction of circle
= πr² × 
= π × 17² × 
= 289π × 
=
≈ 428.7 mm²
Answer:
35m
Explanation:
Perimeter is the sum of all the sides of a shape, or a+b+c=P.
12m+8m+15m = 35m
Answer:
Maybe the Answer is 504
Step-by-step explanation:
Because 8x7 = 56x9 = 504
Answer : I think 3rd is the answer
Answer: 
Step by step:
This is the simplest form of this radical.