classIn an isosceles triangle, the vertex angle is thrice of either base angle. Find the measuretriangle About the author Maya

Answer: In an isosceles triangle base angles are equal let each base angle is x° so, vertex angle is 3x° sum if the three angles of a triangle is 180° so, 3x+x+x=180 => 5x=180 => x=180/5 => x=36 so , each of the base angle is 36° and vertex angle is 36×3=108° Reply

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Answer:In an isosceles triangle base angles are equal

let each base angle is x°

so, vertex angle is 3x°

sum if the three angles of a triangle is 180°

so,

3x+x+x=180

=> 5x=180

=> x=180/5

=> x=36

so , each of the base angle is 36° and vertex angle is 36×3=108°