An automobile tire has a diameter of about 1.7. What is the circumference

r = 0.85 ft

C = 5.3407075111026 ft

A = 2.2698006922186 ft²

Agenda:

r = radius

C = circumference

A = area

π = pi = 3.1415926535898

√ = square root

Formula:

Circumference of a circle:

C = 2πr = πd