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pochemuha
3 years ago
15

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

Mathematics
1 answer:
Lubov Fominskaja [6]3 years ago
4 0

Answer:

Step-by-step explanation:

Radius = diameter ÷ 2

Diameter = distance between C and D

<em><u>Find the distance using distance formula</u></em>

<em><u /></em>Diameter, CD = \sqrt{(-7-1)^2 + (-4-2)^2}  = \sqrt{8^2 + 6^2} = \sqrt{100} = 10 \ units\\\\Therefore , radius = \frac{Diameter }{2} = 5 \ units<em><u /></em>

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