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stepan [7]
3 years ago
6

Simplify the square root of 272​

Mathematics
1 answer:
vladimir2022 [97]3 years ago
8 0
If you are looking for the square root, which I’m assuming. It’s 4 square root of 17, or 16.492
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Prove that a parallelogram is a square iff its diagonals are both congruent and perpendicular
Juliette [100K]
Consider the parallelogram shown below.
The lengths of the sides are a and b.
The lengths of the diagonals are 2x and 2y.

Because the diagonals are both congruent and perpendicular, therefore there are two right triangles as shown.
Note that x = y.
Because x = y, each right triangle is isosceles and has the angles 90°, 45° and 45°.

From the Pythagorean theorem,
For one right triangle,
a² = x² + y² = x² + x² = 2x².
For the other right triangle,
b² = y² + x² = x² + x² = 2x²

Therefore
a² = b²
a = b

It follows that all sides of the parallelogram are equal and each angle is
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Therefore the parallelogram is a square.

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3 years ago
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sergeinik [125]
I think the correct answer is D.
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ira [324]

Answer:

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3 0
3 years ago
Find two consecutive whole numbers that 7 lies between.
Wittaler [7]
The answer is actually 3 and 4.

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I hope this helped! :))
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Which value of x is the solution to the equation. -2 - 4x = 14
dusya [7]

Answer:

The answer is C or x=-4.

Step-by-step explanation:

I hope this helps!

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