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1) Right angle = 90degree
One acute angle = 36degree
Another acute angle = 90-36 = 54degree
2)Total angle of triangle = 180degree
Isosceles triangle = 2 sides are equal then angles are also equal.
x+ x + 2x = 180
3x = 180/2 = 90
x = 90/3 = 30
So, 2 isosceles angles are 30 and 30degree ...
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