Scalene triangle

Solve the triangle:

A = 50°, b = 13, c = 6

Correct answer:

a =  10.23

Step-by-step explanation:

A=50  b=13 c=6  a2 = b2+c2  2 b c cos A  a=b2+c22 b c cosA=b2+c22 b c cos50° =132+622 13 6 cos50° =132+622 13 6 0.642788=10.23

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See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:

We encourage you to watch this tutorial video on this math problem: video1

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