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andrey2020 [161]
3 years ago
5

The hypotenuse of a 45°-45°-90° triangle measures 22 2 units.

Mathematics
2 answers:
Aleonysh [2.5K]3 years ago
6 0

Answer:

Option C.

Step-by-step explanation:

Given information: The hypotenuse of a 45°-45°-90° triangle measures 22√2 units.

Let x be the length of one leg.

From the given figure it is clear that length of both legs are same.

According to the Pythagoras theorem, in a right angled triangle

(leg_1)^2+(leg_2)^2=hypotenuse^2

Substitute leg_1=leg_2=x, hypotenuse=22\sqrt{2} in the above formula.

(x)^2+(x)^2=(22\sqrt{2})^2

2x^2=(22)^2(\sqrt{2})^2

2x^2=2(22)^2

Divide both sides by 2.

x^2=(22)^2

Taking square root on both sides.

x=22

The length of one leg is 22 units.

Therefore, the correct option is C.

MAXImum [283]3 years ago
4 0

Answer:

Length of one leg of the triangle be 22 \sqrt{2} .

Step-by-step explanation:

Now by using the trignometric property .

sin \theta = \frac{Perpendicular}{Hypotenuse}

As

\theta = 90^{\circ}

Hypotenuse =22 \sqrt{2}

Putting the values in the trignometric identity .

sin90^{\circ} = \frac{Perpendicular}{22 \sqrt{2}}

As sin 90° = 1

Put in the above

1= \frac{Perpendicular}{22 \sqrt{2}}

Thus

Perpendicular = 22 \sqrt{2}

Therefore the length of one leg of the triangle be 22 \sqrt{2} .


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