The biggest angle in an isosceles triangle is 100º. What are the size of the other two angles?
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the other angles will be 40° and 40°
because the sum of the angles in a triangle is 180°
and two angles of an isosceles triangle are equal
therefore
let that two angle be x +x
now
x+x+ 100= 180
2x= 180-100
2x= 80
x= 40°
because the sum of the angles in a triangle is 180°
and two angles of an isosceles triangle are equal
therefore
let that two angle be x +x
now
x+x+ 100= 180
2x= 180-100
2x= 80
x= 40°
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