Angles

In the triangle ABC, the ratio of angles is: a:b = 4: 5. The angle c is 36°. How big are the angles a, b?

Result

a =  64
b =  80

Solution:


a=4/5*b
a+b+36 = 180

5a-4b = 0
a+b = 144

a = 64
b = 80

Calculated by our linear equations calculator.








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To solve this example are needed these knowledge from mathematics:

See also our trigonometric triangle calculator. Try conversion angle units angle degrees, minutes, seconds, radians, grads.

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