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VLD [36.1K]
2 years ago
9

luisa is building a sand box in her backyard. she places four pieces of wood in a rectangle to form the frame. the rectangle is

4 feet long and 3 feet wide. how can she use a measuring tape to make sure that the corners of the frame will be right angles?
Mathematics
1 answer:
kupik [55]2 years ago
8 0

Answer:

As we know rectangles have 90 degree angles at all 4 of its corners.

In this question we know that the length is 4 feet while the bredth is 3 feet.

Therefore to solve this answer we can use the Pythagoras theorm.

By Pythagoras:

4^{2} + 3^{2} = diagonal^{2}

Therefore the diagonal must be 5 feet

So if Luisa measures the diagonal with a tape and it measures 5

Then it proves that all 4 corners due have 90 degree angles

Please do mark my answer as brainliest. It would really help me answer more of such questions in the future :)

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