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Arada [10]
3 years ago
15

A ladder is leaning against a building and makes 28° angle with the ground. The top of the ladder reaches 35 feet up on the buil

ding.
What is the length of the ladder?

Mathematics
2 answers:
irina [24]3 years ago
7 0

check the picture below.


make sure your calculator is in Degree mode.

Sindrei [870]3 years ago
5 0

Answer:

The length of the ladder is approximately 74.55 ft.

Step-by-step explanation:

Let x be the length of the ladder,

Given,

The ladder makes 28° angle with the ground and the top of the ladder reaches 35 feet up on the building,

Since, a building is generally assumed perpendicular to the ground,

So, we obtained a right triangle,

By the trigonometric ratio,

sin 28^{\circ}=\frac{35}{x}

\implies x = \frac{35}{sin 28^{\circ}}=74.5519063866\approx 74.55

Hence, the length of the ladder is approximately 74.55 ft.

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