Given Circle O with diameter CD C (-7. –4) and D (1,2) What is the length of the radius of Circle O?

asked Feb 21, 2022 9.5k views

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6 votes

Answer:

Explanation:

Radius = diameter ÷ 2

Diameter = distance between C and D

Find the distance using distance formula

$Diameter, CD = √((-7-1)^2 + (-4-2)^2) = √(8^2 + 6^2) = √(100) = 10 \ units\\\\Therefore , radius = (Diameter )/(2) = 5 \ units$

Sasi V answered Feb 26, 2022

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