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*only do question 16*diagrams are not drawn to scale.i only care about the answers and steps on how you got the answers.don’t be slow pls (:

Only Do Question 16diagrams Are Not Drawn To Scalei Only Care About The Answers And Steps On How You Got The Answersdont Be Slow Pls class=

Sagot :

Given the figure of a circle

The measure of the arc a will be calculated as follows:

[tex]a+53+86=180[/tex]

Solve for a:

[tex]\begin{gathered} a+139=180 \\ a=180-139=41 \end{gathered}[/tex]

The measure of the inscribed angle is half the measure of the arc opposite to it

So, the measure of angle b = 0.5 x 53 = 26.5

And the measure of the angle c = 0.5 x a = 0.5 x 41 = 20.5

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