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3 years ago

Can someone please help me on my math please

Mathematics

1 answer:

enot [183]3 years ago

5 0

Answer:

g(x)=(x+5)^2

Step-by-step explanation:

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A square has a diagonal length of 10 ft. Draw a diagram and determine the perimeter of the square.

denpristay [2]

The perimeter of the square is: $20\sqrt2$ ft

Step-by-step explanation:

The picture is attached with the answer.

the diagonal of a square divides it into two right angled-triangles.

We can use one of the triangle to find the length of side as the diagonal will be the hypotenuse of the triangle

Let a be the side of the square, then according to Pythagoras theorem

$d^2=a^2+a^2\\(10)^2 = 2a^2\\2a^2=100$

Dividing both sides by 2

$\frac{2a^2}{2}=\frac{100}{2}\\a^2=50$

Taking Square root on both sides

$\sqrt{a^2}=\sqrt{50}\\a=\sqrt{25*2}\\a=\sqrt{5^2 * 2}\\a=5\sqrt{2}\ ft$

Now,

$P = 4a\\P = 4 * 5\sqrt{2}\\=20\sqrt{2}\ ft$

Hence,

The perimeter of the square is: $20\sqrt2$ ft

Keywords: Perimeter, Pythagoras Theorem

Learn more about Square at:

#learnwithBrainly

5 0

4 years ago

Please help asap thanks :)

Olenka [21]

Bro ur in like 2nd grade

5 0

3 years ago

The height in feet of a water rocket launched from the ground is given by the function h(t) = -16t^2 + 96t where t represents th

Mazyrski [523]

<span>The biggest height is 144 ft at t = 3 seconds.</span>

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3 years ago

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Please solve this! I will give brainliets

torisob [31]

Answer:

5 and 61

Step-by-step explanation:

Using Pythagoras' identity in the right triangles

The square on the hypotenuse is equal to the sum of the squares on the other 2 sides.

(1)

c² = a² + b² = 3² + 4² = 9 + 16 = 25 ( take the square root of both sides )

c = $\sqrt{25}$ = 5

(2)

c² = a² + b² = 11² + 60² = 121 + 3600 = 3721 ( take the square root of both sides)

c = $\sqrt{3721}$ = 61

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3 years ago

What is the x-coordinate of the solution for the system of equations?

dedylja [7]

X equals 10, there,i gave you the answer

4 0

3 years ago

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