Perimeter of triangle

In triangle ABC angle A is 60° angle B is 90° side size c is 15 cm. Calculate the triangle circumference.

Correct result:

o =  70.9808 cm

Solution:

c=15 cm A=60∘ B=90∘ C=180−A−B=180−60−90=30∘ a=c⋅ tan⁡A∘=c⋅ tan⁡60∘ =15⋅ tan⁡60∘ =15⋅ 1.732051=25.98076 cm b=a2+c2=25.98082+152=30 cm o=a+b+c=25.9808+30+15=70.9808 cm

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