If each angle on the base of an isosceles triangle is 45°, then the measure of the third angle is?
IBA STS Screening Test Bps 05 to 15 Past Papers and Syllabus / All — Multiple-choice practice
- A. 60°
- B. 45°
- C. 90°
- D. None of these
Correct answer
90°
Explanation
Explanation In an isosceles triangle, two angles are equal. Given the base angles are 45° each. Let's find the third angle: Third angle = 180° - (45° + 45°) = 180° - 90° = 90°
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