Question 6: The vertical angle of an isosceles triangle is three times the sum of its base angles. Find all the angles of the triangle
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let one of the base angle be x then the sum of base angles will be 2x
vertical angle =3 times the sum of base angle =3×2x=6x
thercore 2x +6×=180
8x=180
×=22.5
therfore base angles are both equal to 22.5
and vertical angle =22.5×2×3=135
vertical angle =3 times the sum of base angle =3×2x=6x
thercore 2x +6×=180
8x=180
×=22.5
therfore base angles are both equal to 22.5
and vertical angle =22.5×2×3=135
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