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1 What is the measure of (AB)? a. 8.7 b. 10 c.5 d. 2.5

1 What Is The Measure Of AB A 87 B 10 C5 D 25 class=

Sagot :

Answer:

a. 8.7

Explanation:

We use the trigonometric ratio to find the value of AB.

[tex]\begin{gathered} \tan \theta=\frac{\text{Opposite}}{Adjacent} \\ \end{gathered}[/tex]

Therefore:

[tex]\begin{gathered} \tan 60^0=\frac{AB}{5} \\ AB=5\times\tan 60^0 \\ AB=8.7\text{ units} \end{gathered}[/tex]

The correct choice is A.

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