Question

Help me please with this work​

Answer 1

a. 31.4 cm

b. 314 cm²

Explanation:

the perimeter of ABC = 1/4 ×2×pi×r

thr area of ABC = 1/4×pi×r²

Answer 2

The answers should be:
Perimeter = 500/7 or 71.4 ( 1 decimal place )
Area= 314.3 ( 1 decimal place )