chareufafghoulm chareufafghoulm

17-02-2021
Mathematics

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The length of the base of an isosceles triangle is 12 inches. Each base angle measures 50°. Which is a feasible plan to find the length of each congruent side of the triangle? Justify each step.

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thebecks thebecks

17-02-2021

Answer:

9.6 inches

Step-by-step explanation:

cos 50 =(1/2 base) / side base =12

cos 50 = 6 / side

0.6248 = 6 / side

side=6 / (0.6248)=9.6 inches

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