Fill in the missing side of the triangle: How do you find the missing side of 1d

Question

Fill in the missing side of the triangle:

How do you find the missing side of 1d as it is a non-right triangle, with no given angle degree?

Please show work -- thank you!

Answer the following questions using Pythagorean theorem, trigonometric functions and inverse trigonometric functions. For full credit, be sure to show your setup and work for each problem. 1. Fill in the missing side of cach triangle: a) b) c) d) 25 cm 7 m 3.7 m 8 m 40 cm 2.3 m 4024252 : 2.3461.8 m 5 29462:4 CAH TOA sinn 2. Find the marked side of each triangle: b) 17 mm c) d) Cos 32.3 m 29 cm tor 7mm 5 0.39 m W: 17mM

Explanation / Answer

You can not get the third side of the triangle only with the two sides known. We need to know at least one angle too, so that we can apply the cosine formula (a2 = b2 + c2 - 2bc cosA) to get the third side.

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