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>

Answer:
-50x
Step-by-step explanation:
-6x times 9 which is -54x
-54x-3x = -57x
-54x+7
336 divided by 2 is 168.
so just change it up.
the two numbers can be 166+170
The pentagon is the one with 5 sides. Good Luck!