Answer:
The third side is around 58.043
Step-by-step explanation:
Use the law of cosines: 
Plug in the two sides we know (into a and b) and the angle we know (into angle C).
Thus:
Use a calculator:
(Note: Make sure you're in Degrees mode.)
Answer:
x=84
Step-by-step explanation:
Add 4 on both sides
3=x/12-4
7=x/12
Multiply both sides by 12
(12)7=x/12(12)
84=x
Hope this helps! :)
<span>D. Regular polygon.
</span>A polygon that has all sides the same measure and all angles the same measure is called Regular polygon.
Hoped I helped!
Answer:9 cups of red paint
Step-by-step explanation:1 batch = 3 cups of paint and you need to find the number of cups of paint for 3 batches so you multiply 3 x 3 and get 9. Hope this helped!!!:)
