Concept explainers
a
To find:The value of x to the nearest integer
a
Answer to Problem 4PSA
The value of
Explanation of Solution
Given information:The following information can be found from the table of trigonometric ratios
Formula used:Basic sine identity has been used
Calculation:Now, we know that in the given figure, the value of
Hence, solving it for x , we get
Hence, rounding off to the nearest integer, we get
b
To find:The value of x to the nearest integer using the trigonometric tables given in the book.
b
Answer to Problem 4PSA
The value of
Explanation of Solution
Given information:The following information can be found from the table of trigonometric ratios
Formula used:Basic tangent identity has been used
Calculation:Now, we know that in the given figure, the value of
Hence, solving it for x , we get
Hence, rounding off to the nearest integer, we get
c
To find:The value of xwhen one diagonal and
c
Answer to Problem 4PSA
The value of
Explanation of Solution
Given information:The following information can be found from the table of trigonometric ratios
Formula used:Basic cosine identity has been used
Calculation:Now, we know that in the given figure, the value of
Hence, solving it for x , we get
Hence, rounding off to the nearest integer, we get
d
To find:The value of xwhen side and angle of the rhombus is given.
d
Answer to Problem 4PSA
The value of
Explanation of Solution
Given information:The following information can be found from the table of trigonometric ratios
Formula used:Basic sine identity has been used
Calculation:Now, we know that in the given figure, the value of
Hence, solving it for x , we get
Hence, rounding off to the nearest integer, we get
Chapter 9 Solutions
Geometry For Enjoyment And Challenge
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