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Alinara [238K]
2 years ago
7

A triangle is shown. One side has a length of 16, another side has a length of 20, and the length of the longest side is unknown

.
Janice examines the given triangle and estimates that the longest side has a length of 25 units―if it is a right triangle. How does her estimate compare to the actual length?
It is exactly correct.
It is under by approximately 0.6 units.
It is over by approximately 0.6 units.
It is over by 13 units.
Mathematics
1 answer:
Black_prince [1.1K]2 years ago
7 0

Janice estimate is under by approximately 0. 6 units. Option B

<h3>How to determine the estimate</h3>

The longest part is called the hypotenuse

The formula for finding the hypotenuse, we use the Pythagorean theorem

Hypotenuse = square root of both opposite square and adjacent square

We have that,

Hypotenuse = \sqrt{16^2 + 20^2}

Hypotenuse = \sqrt{256+ 400}

Hypotenuse = \sqrt{656}

Find the square root

Hypotenuse = 25. 6

The length of the longest part = 25. 6

Janice estimated it to be 25

Comparing her estimate with the actual length = Actual length - estimate

⇒ 25. 6 - 25

⇒ 0. 6

Therefore, Janice estimate is under by approximately 0. 6 units. Option B

Learn more about Pythagorean theorem here:

brainly.com/question/343682

#SPJ1

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