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measures of angles in triangles are 51°,51°,78°
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Answer:
Let's consider a triangle ️ ABC
Imp formula: Sum of two opposite interior angle is equal to exterior angle
Let one opposite angle be a
Then the other opposite angle b is also equal to a
Thus we can say that 2a= given angle 102°
And a and b are 51° each (half of 102°)
Here we see that two angles are equal and this suggests that the triangle is iscoceles triangle
A is the Base angle here
So vertex angle c will be 180°-2×(base angle)
Vertex angle is equal to 180 - (2× 51)°
Vertex angle c is (180 -102)° =78
{Ans} angles are 51°,51° and 78°
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