Question

In a right angled triangle one of the complementary angels is double the other what are those triangles.

Answer 1

Let 1st complement angle be X
Let 2nd be 2x
A/Q
x+2x+90=180
3x=90
x=30

Answer 2

x+2x+90=180

3x+90=180

3x=180-90

3x=90

x=90/3

x=30. 2x=2×30=60

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