Concept explainers
Give the name of law that can be used first to solve the
Answer to Problem 1OE
The law of cosines is used for SSS (side-side-side) measurement.
Explanation of Solution
Given information: The given measurement is SSS (side-side-side).
Calculation: Since the given triangle has SSS (side-side-side) measurement. And the given triangle has the case of side-side-side where no angle is mentioned. Therefore the law of cosines can be used first to determine a angle and then other formulas can be used to solve the given triangle.
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