04-02-2019
Mathematics

contestada

In the figure shown below, M < 40 and AB =8. Which equation could be used to find x?

In the figure shown below M lt 40 and AB 8 Which equation could be used to find x class=

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jimrgrant1 jimrgrant1

04-02-2019

Answer:

B

Step-by-step explanation:

Since the triangle is right use the tangent ratio to solve for x

∠A = 180° - (90 + 40)° = 180° - 130° = 50°

tan50° = [tex]\frac{opposite}{adjacent}[/tex] = [tex]\frac{x}{8}[/tex]

multiply both sides by 8

x = 8tan50° → B

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