Problem 5 of 7
Identify side ratios in a 45-45-90 triangle when one leg is 7.
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use x, x, x sqrt(2).
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Use equal legs and hypotenuse equals leg times sqrt(2).
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Solution
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1. Recognize the triangle as isosceles right.
2. Set both legs equal.
3. Multiply a leg by sqrt(2) to get the hypotenuse or divide to get a leg.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Treating the hypotenuse as twice a leg.