A rectangle has a width of 9 units and a length of 40 units. what is the length of a diagonol?

1 answer:

3 0

Answers: 41 Units

You can split the rectangle into two right triangles with the side lengths 9 and 40. Then you use the Pythagorean theorem to solve for the hypotenuse (the diagonal of the rectangle). So:
C^2=9^2 + 40^2
C^2 = 1681
Square root both sides
C=41

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