How to find an angle in an acute / obtuse isosceles triangle

Practice Questions

GRE Quantitative Reasoning › How to find an angle in an acute / obtuse isosceles triangle

Questions
4
1

An isosceles triangle has one obtuse angle that is . What is the value of one of the other angles?

2

An isosceles triangle ABC is laid flat on its base. Given that <B, located in the lower left corner, is 84 degrees, what is the measurement of the top angle, <A?

3

An isosceles triangle has an angle of 110°. Which of the following angles could also be in the triangle?

4

Gre13

Triangle ABC is isosceles

x and y are positive integers

A

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x

B

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y

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