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1 vote
30 POINTS!!!

What is the value of a?

27.5

45

50

90

30 POINTS!!! What is the value of a? 27.5 45 50 90-example-1

1 Answer

4 votes

Using opposite outside angle on a circle is the inside angle times 2.

A is opposite the inside angle of 45, so a = 45 x 2 = 90 degrees.

User Agnieszka
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