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In the image, point A marks the center of the circle. Which two lengths must form a ratio of 1 : 2?

(Options are in the images since brainly thought they were harmful phrases)

In the image point A marks the center of the circle Which two lengths must form a ratio of 1 2 Options are in the images since brainly thought they were harmful class=
In the image point A marks the center of the circle Which two lengths must form a ratio of 1 2 Options are in the images since brainly thought they were harmful class=

Respuesta :

carlosego

Answer: AI:EF


Step-by-step explanation:

1. By definition, the diameter of a circle is twice the radius, then:

D=2r

Where D is the diameter and r is the radius:

2. The AI is the lenght of the radius of the circle and EF is the length of the diameter of the circle. Keeping this on mind you have:

[tex]\frac{AI}{EF}=\frac{r}{D}=\frac{r}{2r}=\frac{1}{2}[/tex] or 1:2

3. Then, AI and EF form the ratio:

1:2

Answer:

the answer is D

Step-by-step explanation: