The angles ratio

The angles in the ABC triangle are in the ratio 1: 2: 3. find the sizes of the angles and determine what kind of a triangle it is.

Correct result:

A =  30 °
B =  60 °
C =  90 °

Solution:

A:B:C=1:2:3  d=180/(1+2+3)=30∘  A=1⋅ d=1⋅ 30=30∘
B=2⋅ d=2⋅ 30=60∘
C=3⋅ d=3⋅ 30=90∘

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