Question

1. a medium pizza at pizza zone has a radius of 10.5 centimeters.

part a: what is the diameter of the pizza?
record your answer in space provided.
______ cm
part b: what is the approximate circumference of the pizza?
a. 33 cm
b. 16 cm
c. 66 cm
d. 346 cm

Explanation:

Step1: Calculate diameter (d=2r)

$d = 2 \times 10.5 = 21$

Step2: Calculate circumference (C=πd)

$C \approx 3.14 \times 21 \approx 65.94 \approx 66$

Answer:

21 cm
A. 33 cm, B. 16 cm, C. 66 cm, D. 346 cm
C. 66 cm