3 years ago

A triangle has sidesof length 12cm 16cm and 21 cm determine the 3 angles contained in a triangle

1 answer:

3 0

Angles will probably be 96° 35° and 49°
I tried to explain it with the working out, just re arrange the cosine rule for angles instead of side lengths.
if you need it explaining at all just message me :)
hoped it helped

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