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February 25th, 2017, 12:47 PM   #1
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Find Area of Triangle

Hi,

Could anyone provide a complete solution to the attached question?

I calculated 400 but the teacher got 463.



Thanks in advance for any help.

Best regards,
Joseph

Last edited by skipjack; August 7th, 2017 at 09:42 PM.
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August 7th, 2017, 09:57 PM   #2
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Calculate angle C using the sine rule, then calculate angle A.

Area = (1/2)AB × AC × sin(A) = 463 cm² approximately.
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