To find: To determine whether the each
Answer to Problem 7CYU
We will use cosine rule in the beginning because one angle is given and two sides are given making this angle.
In triangle RST
So side ST= r= 6.7
Angle
And Angle
Explanation of Solution
Given information:
The length of two sides of triangle RST and one angle.
RS= t = 9
RT= s =16
∠SRT=
Calculation:
We will use cosine rule in the beginning because one angle is given and two sides are given making this angle.
To find the length of side ST= r , we use the cosine formula for any triangle:
Also as we know that-
Since the sum of the angles of any triangle is
So
In triangle RST
So side ST= r= 6.7
Angle
And Angle
Chapter 13 Solutions
Algebra 2
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