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ANSWER:-
Measure of first angle = 2X = 2×18 = 36°
Measure of second angle = 3X = 3×18 = 54°
Measure of third angle = 5X = 5×18 = 90°
EXPLANATION:-
Let be ratio X
Measure of angle in triangle in ratio = 2X,3X,5X
Total measure of angle of triangle = 180°
A/Q,
2X+3X+5X = 180
Or, 10X = 180
Or, X = 18°
Measure of first angle = 2X = 2×18 = 36°
Measure of second angle = 3X = 3×18 = 54°
Measure of third angle = 5X = 5×18 = 90°
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