One of the angles of a triangle PQR is 80º and the other two angles are equal .Find the measure of each of the equal angles.
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other angles are 50°,50°
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Hloo dear...
sum of all angles in a triangle is 180
so.. if one angle is 80 and other two are same.. it is isosceles triangle..
180=x+x+80
180=x²+80
x= 50
therefore two angles are 50 and 50
sum of all angles in a triangle is 180
so.. if one angle is 80 and other two are same.. it is isosceles triangle..
180=x+x+80
180=x²+80
x= 50
therefore two angles are 50 and 50
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