The longest and the shortest sides of the given triangle RST.

Answer to Problem 1RE
The longest and the shortest sides of the given triangle RST are TS_ and RS_, respectively.
Explanation of Solution
Result used:
If a triangle has three unequal sides, then longest side of that triangle is the opposite side of the largest angle and its shortest side of the opposite side of the smallest angle.
Description:
Compute the longest side as follows.
From the given triangle, the largest angle is observed to be 80°.
The side that is opposite to the angle 80° is noticed to be TS.
Thus, the longest side of the triangle RST is TS_.
Obtain the shortest side as follows.
From the given triangle, the smallest angle is observed to be 42°.
The side that is opposite to the angle 42° is noticed to be RS.
Thus, the shortest side of the triangle RST is RS_.
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Chapter 18 Solutions
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