The values of the sides and angles of the triangle are as follows:
- ∠B = 55 degrees
- a = 143 units
- c = 212 units
How to find the side and angle of a triangle?
The side and angle of a triangle can be found as follows;
The sum of angles in a triangle is 180 degrees.
Therefore,
∠B = 180 - 42 - 83
∠B = 55 degrees.
Using sine law, a can be found as follows:
a / sin 42 = 175 / sin 55
cross multiply
a sin 55 = 175 sin 42
a = 175 sin 42 / sin 55
a = 175 × 0.66913060635 / 0.81915204428
a = 117.097856113 / 0.81915204428
a = 142.967032967
a = 143 units
Using sine law, c can be found as follows:
175 / sin 55 = c / sin 83
175 sin 83 = c sin 55
c = 175 sin 83 / sin 55
c = 173.695576537 / 0.81915204428
c = 212.075702076
c = 212 units
learn more on triangle here: brainly.com/question/14324872
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