Geometry and TrigonometryEasy–MediumLargest angle of an isosceles triangle
Geometry and Trigonometry practice question
In an isosceles triangle, the two equal angles each measure 35°. What is the measure, in degrees, of the third angle?
Answer: 110
180 − 70 = 110.
Common wrong answers
- If you answered 35
- 35 repeats the given angle.
- If you answered 70
- 70 is the sum of the two equal angles.
- If you answered 145
- 145 subtracts one 35 only.
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