In an isosceles triangle the base angles are equal the what what what are the piece triangles in the triangle remember three angled triangle is 180 degree
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Answer:
As we know that the angle sum property of the triangle says: The sum of all angles of the triangle is equal to 180°. Hence, the base angle of an isosceles triangle is 70°.
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Step-by-step explanation:
In an isosceles triangle we know that
1. sides opposite to base angles are equal
2. Base angles are equal
Also, Sum of angles of triangle is 180°
Let the base angles be A and B
As per point 2,A=B
And the third angle be C
A + B + C = 180°
2A + C = 180°
2A = 180° - C
A = (180° - C) /2
If you know the third angle then you can find the base angles.
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