Find the area of a triangle with side lengths 7 and 9 and the angle in between these lengths is 70degrees . Use the fact that sin72degrees =.95 what is the area
Find the area of a triangle with side lengths 7 and 9 and the angle in between these lengths is 70degrees . Use the fact that sin72degrees =.95 what is the area
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.7: The Tangent Ration
Problem 24E
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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
Find the area of a triangle with side lengths 7 and 9 and the angle in between these lengths is 70degrees . Use the fact that sin72degrees =.95
what is the area
Expert Solution
Step 1
Given,
a= 7 units
b= 9 units
Angle C= 70° (i.e, the angle between a and b)
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