Question

this is a 30 - 60 - 90 triangle. what is the measure of x? x = ?

Explanation:

Step1: Identify side roles

Hypotenuse = 18, x is short leg.

Step2: Apply 30-60-90 ratio

Short leg = hypotenuse × $\frac{1}{2}$
$x = 18 × \frac{1}{2}$

Step3: Calculate x

$x = 9$

Answer:

9