7.
One way to figure this out is to go from 2-10, and multiply them by them self each other to see what number works.
Another way is to use a calculator and the square root button.
Hope that helps!
Answer:
Step-by-step explanation:
x = 180-65 = 115°
Answer: <em>23.7</em>
Step-by-step explanation:
<em>Let's calculate the acute angle at the base of the triangle:</em>
<em>180° - 90° - 40° = 50°</em>
<em>Find side x:</em>

Just saying you have a 25% chance of getting it right if you guess