In a circle, the circumference and diameter vary directly. Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second circle the diameter is 14 when the circumference is 44? A. 154d = (14) (44) B. 154/d = 44/14 C. 14d = 154/44

Question

Mathematics

August Herrera

25 October, 22:50

In a circle, the circumference and diameter vary directly. Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second circle the diameter is 14 when the circumference is 44? A. 154d = (14) (44) B. 154/d = 44/14 C. 14d = 154/44

+2

Answers (1)

Know the Answer?

Essence Jimenez · Answer 1

The answer is B. 154/d = 44/14

In a circle, the circumference (C) and diameter (D) vary directly:

C = kD

k = C/D

Circle 1: k = C1/D1

Circle 2: k = C2/D2

C1/D1 = C2/D2

C1 = 154

D1 = ?

C2 = 44

D2 = 14

154/D1 = 44/14

So, the choice B. is correct.