Question

the circumference of a circular disc 314 cm find the radius and the area of the circle​

Answer 1

Answer:

circumference of circle = 2pie r^

314= 2× 3.14 ×r^

314/ 2×3.14=r^

100/2 =r^

50 =r^

r= 5under root 2

Answer 2

Answer:

31428 cm^2

Step-by-step explanation:

2pie r = 314

r=314x7/44

r=99.9090909091=100

Area= pie r^2=31428 cm^2