angles in quadrilateral

What size have angles in quadrilateral (4-gon) if they are in a ratio of 8:9:10:13?

Final Answer:

α =  72 °
β =  81 °
γ =  90 °
δ =  117 °

Step-by-step explanation:

φ=8+9+10+13360=9  α=8 φ=8 9=72
β=9 φ=9 9=81
γ=10 φ=10 9=90
δ=13 φ=13 9=117



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