the third angle of an isoceles triangle is 16 degree less than sum of 2 equal angles finf 3 angles of triangle
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Answer:
let 2 equal angles be x
therefore, 3rd angle: 2x-16
as we know,
sum of all angles of a triangle is 180°
x+x+2x-16=180°
4x-16=180
4x=196
x=196/4
x=49°
hence, all angles are x=49°
x=49°
2x-16=2(49)-16=98-16=82°
all angles= 49°, 49°, 82°
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Answered by
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Step-by-step explanation:
In triangle ABC
let angle b=x
angle b= angle c = x
angle. a= 2x-16
angle a+b+c=180(sun of all angles of a triangle is 180)
x+x+2x-16=180
4x-16=180
4x=180+16
x=196\4
x=49
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