Find the ratio of the circumference of a circle with radius 1.125 to the circumference of a circle with diameter 2.25. Express y

Question

2 years ago

8

our answer in the form a:b where a and b are relatively prime positive integers.

1 answer:

Alexxandr [17] · Answer 1 · 2022-05-29T07:57:42+03:00

<h2>Circumference of circle 1 : Circumference of circle 2 = 1 : 2</h2>

Step-by-step explanation:

Circumference of a circle = πD, where D is the diameter.

Diameter of circle 1 = 1.125

Circumference of circle 1 = π x 1.125

Diameter of circle 1 = 2.25

Circumference of circle 1 = π x 2.25

$\texttt{Ratio of circumferences = }\frac{\pi \times 1.125}{\pi \times 2.25}\\\\\texttt{Ratio of circumferences = }\frac{1}{2}$

Circumference of circle 1 : Circumference of circle 2 = 1 : 2