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kotegsom [21]
3 years ago
15

5. The measures of two sides of a parallelogram are 50 and 80 inches, while one diagonal

Mathematics
1 answer:
Elodia [21]3 years ago
3 0

Answer:

Other diagonal is 98.5 inches long.

Step-by-step explanation:

Formula to get the measure of diagonals of a parallelogram is,

x^2+y^2=2(a^2+b^2)

where x and y are the lengths of the diagonals and a and b is the measure of two non parallel sides.

If a = 50 inches, b = 80 inches and x = 90 inches,

then from the given formula,

90² + y² = 2(50² + 80²)

y² = 2(2500 + 6400) - 8100

y² = 17800 - 8100

y = \sqrt{9700}

y = 98.49

  ≈ 98.5 inches

Therefore, other diagonal of the parallelogram is 98.5 inches long.

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