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Find AB when given angle B 64 degress angle C 75 degrese and side a 19

User Victorwoo
by
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1 Answer

4 votes

Answer:

about 28

Explanation:

you have to use the sine rule = side you know * ( sin of angle opposing the side you want to know / sin of angle opposing the side you know)

AB = 19* (sin 75/ sin ( 180 -75-64) )

AB = 19 * ( sin 75 / sin 41) ≈ 27.9739...

User Nato Boram
by
6.8k points
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