Problem 103 of 7
Use area formula with side-angle labels sides q and r include angle P.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
match included angle to adjacent sides.
Hidden until you reveal it.
Match included angle to adjacent sides: 1/2bc sin(A), 1/2ac sin(B), or 1/2ab sin(C).
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify which two sides form the named angle.
2. Place those sides in the product.
3. Multiply by one-half and sine of the included angle.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Pairing an angle with its opposite side as if using Law of Sines.