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One of the base angles in an isosceles triangle is 75 degrees, then its exterior angle is A. 105 degrees B.75 degrees C. 285 degrees D, 30 degrees
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2 votes
One of the base angles in an isosceles triangle is 75 degrees, then its exterior angle is

A. 105 degrees
B.75 degrees
C. 285 degrees
D, 30 degrees

User Chriszuma
by
3.8k points

2 Answers

4 votes
Answer: 105

Triangle sum theorem 180-75=105
User Lucas Andrade
by
4.2k points
4 votes

Answer:

105 degrees

Explanation:

Supplementary angles add up to 180 degrees.

You just gotta subtract your given (in your case 75) from 180 to get your answer my guy

User Zincfan
by
5.0k points
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