one of the angle of a triangle is 78 and the other two angles are equal. Find the measure of the equal angles
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Themeasure of a angles in a triangle is 180° so
Let the unknown angles be x
Angle 1 + Angle 2 + Angle 3 = 180°
x + x + 78 = 180°
2x + 78 = 180°
180-78 = 102
102÷ 2
=51 °
The other two angles aee of 52 angle
This is an Isosceles Triangle
To check whether the angle is wrong or right then add all the 3 angles and your result should be 180 ° If it is less or more than 180°then the answer is Wrong .
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