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[Find all the missing side and angles of this triangle]

[Find all the missing side and angles of this triangle]-example-1
User S Gaber
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1 Answer

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Explanation:

We have AB = 7, Angle ABC = 70°

and Angle ACB = 90°.

Angle BAC = 180° - 70° - 90° = 20°

(Sum of angles in a triangle = 180°)

Using Trignometry,

AC = 7sin70° = 6.58.

BC = 7cos70° = 2.39.

User Nada
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