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11Alexandr11 [23.1K]
3 years ago
12

Sondra wants to put a fence in a triangular area of her backyard as shown in the illustration. The fence will enclose a right tr

iangle, with two of the sides measuring 8 yards and 15 yards long. How long will the third side of the triangle be?
(the question did not contain an illustration)
Mathematics
2 answers:
harina [27]3 years ago
6 0

Answer:

17 yds

Step-by-step explanation:

Lacking further info about this situation, I will assume that 8 yards and 15 yards represent the two legs of this right triangle, and not the hypotenuse.  If that's the case, then the hypotenuse is found by applying the Pythagorean Theorem:

(8 yd)² + (15 yd)² = hyp², or

64 yd² + 225 yd² = 289 yd²

Taking the square root of this result yields 17 yds.

The third side will be 17 yds long.

Shalnov [3]3 years ago
3 0

17 yards. The fence that enclose Sondra's backyard is a right triangle whose sides measuring 8 yards, 15 yards and 17 yards  respectively.

The key to solve this problem is using the Pythagorean Theorem that dictates; In every right triangle the square of the hypotenuse is equal to the sum of the squares of the legs and the equation hypotenuse²=leg1²+leg2².

For this problem we know the measuring of two side, which mean that we can apply Pythagorean Theorem equation as follow:

Let's say that one of the side is a = 8yards, and the other side is b = 15yards. So, we want to know how long the third side c long.

Applying the Pythagorean Theorem:

c^{2} =a^{2}+b^{2}  \\c=\sqrt{a^{2}+b^{2}}

Substituting the values of the sides a and b:

c=\sqrt{(8yards)^{2}+(15yards)^{2}}\\c=\sqrt{64yards^{2}+225yards^{2}}\\c=\sqrt{289yards^{2}}\\c=17yards

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