Solve triangle ABC, given a = 87 cm, b = 53 cm and C = 110°
Added by Juan Jos- G.
Step 1
c^2 = a^2 + b^2 - 2ab cos(C) c^2 = 87^2 + 53^2 - 2(87)(53)cos(110°) c^2 = 12369 + 729 - 9642.6 c^2 = 3075.4 c ≈ 55.5 cm Show more…
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