If you could write out the whole problem exactly how it is, I can solve it for you.
Answer:
11. parallelogram, rectangle
12. parallelogram, rhombus
13. parallelogram, square
Answer:
x = 10
Step-by-step explanation:
Using the sine ratio in the right triangle and the exact value
sin60° = 
, then
sin60° = 
= 
= ( cross- multiply )
2x = 20 ( divide both sides by 2 )
x = 10
1. -4
2. 2
four plus negative four is zero and two minus two is zero
