Problem 5 of 7
Derive triangle area formula for acute triangle with sides y and z and included angle X.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
express altitude as side times sine.
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Express altitude as side times sine for different included angles.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Choose one adjacent side as the base.
2. Drop an altitude to that base.
3. Express altitude using sine of the included angle.
4. Substitute into A=1/2*base*height.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Simply quoting the formula with no altitude relationship.