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Korolek [52]
3 years ago
6

Select the correct answer. A window is 12 feet above the ground. A ladder is placed on the ground to reach the window. If the bo

ttom of the ladder is placed 5 feet away from the building, what is the length of the ladder? A. B. C. D.

Mathematics
1 answer:
Deffense [45]3 years ago
3 0

Answer:

The length of the ladder is 13 feet

Step-by-step explanation:

Here, we are interested in calculating the length of the ladder.

To get this, we shall need a diagrammatic representation. In the diagram, we shall be having a right angled triangle. Please check the attachment for this.

Mathematically, the length of the ladder represents the hypotenuse of the right angled triangle while the height of the window and the distance of the ladder to the feet of the window represents the other two sides of the triangle.

To calculate the length of the ladder, we shall be using Pythagoras’ theorem.

Mathematically, it’s states that the square of the length of the hypotenuse is equal the sum of the squares of the two other sides.

let’s say the length of the ladder is l

Mathematically;

l^2 = 5^2 + 12^2

l^2 = 25 + 144

l^2 = 169

l = √169

l = 13 feet

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3 years ago
A)<br>be<br>85°<br>120°<br>(2x - 10°<br>X​
Lunna [17]

Let's see what to do buddy...

_________________________________

Step (1)

We know that the sum of the interior angles of any n-sided figure is obtained from the following equation :

(n - 2) \times 180

Our figure has 5 sides ;

So , sume the interior angles of it equals :

(5 - 2) \times 180 = 3 \times 180 = 540 \\

_________________________________

Step (2)

First look at the photo which I post.

According it we have :

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Subtract the sides of the equation minus 465 :

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_________________________________

And we're done.

Thanks for watching buddy good luck.

♥️♥️♥️♥️♥️

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