Question

D= 7/2 cm

The radius is____ cm?
A.3
B.7/4
C. 7/2
D.7
The circumference in terms of pie is____ pie cm?
A.7
B. 7/4
C. 7/2
D.14
Using 3.14 for our, the approximate circumference of the circle is___ cm?
A.7.0
B.11.0
C. 22.0
D. 21.0

Answer 1

1) B

2) C

3) B

Explanation:

Radius = D/2 = 7/2 × 2 = 7/4

Circumference = pi × D

= 7/2 pi

7/2 × 3.14 = 10.99

Approximately 11