Jenny has to walk 15 yards to reach her house if Jenny has lost her way home. She was standing 25 yards away from her house.
<h3>What is a right-angle triangle?</h3>
It is a triangle in which one of the angles is 90 degrees and the other two are sharp angles. The sides of a right-angled triangle are known as the hypotenuse, perpendicular, and base.
We can use Pythagoras theorem:
x² + 20² = 25²
After solving:
x = 15 yards
Thus, Jenny has to walk 15 yards to reach her house if Jenny has lost her way home. She was standing 25 yards away from her house.
Learn more about the right-angle triangle here:
brainly.com/question/3770177
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