Circumference C=25 units.

Mathematics

1 answer:

Allisa [31]3 years ago

8 0

The answer is 50. I have the same question and it makes no sense. The r= and the d= are supposed to have answers, but I’m not sure how you get them

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Plz help 15 points to best answer. A ladder leans against a building, making a 70 degree angle of elevation with the ground. The

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For this case, we can model the problem as a rectangle triangle.
We know the height of the triangle.
We know the angle between the base of the triangle and the hypotenuse.
We want to find the base of the triangle.
For this, we use the following trigonometric relationship:
tan (70) = 39 / x
Clearing x we have:
x = 39 / tan (70)
x = 14.2 feet
Answer:
The distance between the base of the building and the base of the ladder is:
x = 14.2 feet

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Step-by-step explanation: