A circle has the circumference of 3.75 in. What is the diameter of the circle? (Use 3.14 for p. Round to the nearest tenth.) a. 1.9 in c. 0.6 in b. 1.2 in d. 7.5 in

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asked Jun 3, 2020 147k views

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A circle has the circumference of 3.75 in. What is the diameter of the circle? (Use 3.14 for p. Round to the nearest tenth.) a. 1.9 in c. 0.6 in b. 1.2 in d. 7.5 in

Mathematics
high-school

Amrit Giri asked

by Amrit Giri

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1 Answer

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Answer:

b. 1.2 in

Explanation:

The formula of a circumference:

$C=d\pi$

d - diameter

We have C = 3.75 in.

Substitute:

$d\pi=3.75\qquad\text{use}\ \pi\approx3.14\\\\3.14d=3.75\qquad\text{divide both sides by 3.14}\\\\d=(3.75)/(3.14)\\\\d=(375)/(314)\\\\d\approx1.2\ in$