An 85-foot rope from the top of a tree house to the ground forms a 45° angle of elevation from the ground. How high is the top of the tree house? Round your answer to the nearest tenth of a foot.
An 85-foot rope from the top of a tree house to the ground forms a 45° angle of elevation from the ground. How high is the top of the tree house? Round your answer to the nearest tenth of a foot.
Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question

Transcribed Image Text:An 85-foot rope from the top of a tree house
to the ground forms a 45° angle of elevation
from the ground. How high is the top of the tree
house? Round your answer to the nearest tenth
of a foot.
feet
14

Transcribed Image Text:You are planting a garden in the shape of an
equilateral triangle as shown in the diagram. You
want to find the area of the garden to determine
how much topsoil you will need.
8 ft
60°
8 ft
30°
8 ft
13
Substitute the values of b and h in the formula
A = .b. h for the area of the garden.
2
A =
2
: 4
:: 8
:: V4
: V8
: 2/12
: 4/3
:: 4/8
..
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