Acute angles

Sizes of acute angles in the right-angled triangle are in the ratio 1: 3. What is size of the larger of them?


x =  67.5 °


3 y = x

x+y = 90
x-3y = 0

x = 135/2 = 67.5
y = 45/2 = 22.5

Calculated by our linear equations calculator.

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To solve this example are needed these knowledge from mathematics:

See also our right triangle calculator. See also our trigonometric triangle calculator.

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