Answer:
C = 62.8 cm
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Geometry
Step-by-step explanation:
Step 1: Define
r = 10 cm
Step 2: Find C
Answer:
62.8
Step-by-step explanation:
Radius is 10, so the diameter is 20 (10x2)
20 x 3.14(pi)= 62.8