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Math question

How to find an angle on a triangle when one length is not given
Reply 1
Possibly the sin rule, but it would help to post the actual question.
Reply 2
AB =3.2cm
BC=8.4cm
The area of triangle ABC is 10cm^2
Calculate the perimeter of triangle ABC
Reply 3
Original post by Zinnirah
AB =3.2cm
BC=8.4cm
The area of triangle ABC is 10cm^2
Calculate the perimeter of triangle ABC

You should know how the area of a triangle relates to a couple of sides and an angle. Thats enough to get one angle and therefore the missing side.
Reply 4
Original post by mqb2766
You should know how the area of a triangle relates to a couple of sides and an angle. Thats enough to get one angle and therefore the missing side.


Ooo right. Thank u soo much
(edited 6 months ago)
Reply 5
Original post by Zinnirah
You should know how the area of a triangle relates to a couple of sides and an angle. Thats enough to get one angle and therefore the missing side.


Ooo right. Thank u soo much
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