Two sides of a triangle measure 25 cm and 35 cm. Which of the following could be the measure of the third side? A) 3 cm; B) 6 cm
1 answer:
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Answer:
A
Step-by-step explanation:
We are given that:
And we want to find:
Remember that tangent and cotangent are co-functions. In other words, they follow the cofunction identities:
Therefore, since tan(θ) = 1.3 and cot(90° - θ) = tan(θ), then cot(90° - θ) must also be 1.3.
Our answer is A.