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xeze [42]
3 years ago
7

14. What is the length of a diagonal of rectangle EFGH? Show your work

Mathematics
1 answer:
Serhud [2]3 years ago
6 0

Answer:

The length of the diagonal of the rectangle is of \sqrt{58} units.

Step-by-step explanation:

Pythagorean theorem:

The square of the hypothenuse h is equal to the sum of the squares of sides a and b, that is:

h^2 = a^2 + b^2

Diagonal of a rectangle:

The diagonal is the hypothenuse, while the sides are a and b.

In this question:

The height has coordinates are y = 9 and y = 12, so the height is a = 12 - 9 = 3

The length has coordinates at x = -6, x = -13, so the length is b = -6 - (-13) = 7

Diagonal:

d^2 = a^2 + b^2

d^2 = 3^2 + 7^2

d^2 = 9 + 49

d^2 = 58

d = \sqrt{58}

The length of the diagonal of the rectangle is of \sqrt{58} units.

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