Problem 115 of 7
Use the Pythagorean Theorem after similarity reasoning for right triangle with leg 7 and hypotenuse 25.
Using a hint is okay. It just tells the trainer to give you a little more review.
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connect similar-triangle theorem to length calculation.
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Right-triangle status must be established or given before using Pythagorean Theorem.
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Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Confirm the triangle is right from given or proven similarity context.
2. Set up a^2+b^2=c^2.
3. Solve for the missing positive length.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Using Pythagorean Theorem on non-right triangles.