Answer:

Step-by-step explanation:
We know that:


Remember:
450°=360°+60°
and:

Thus:

Then:

Answer:
8. -3, 16
9. -3, 4.5
Step-by-step explanation:
See attached worksheet.
Answer:
the last one is true
Step-by-step explanation:
sin R=PQ/PR=TS/TR
Answer:
-3/4x
Step-by-step explanation:
down 3 left 4 rise/run
Answer:
No, the ratios of the corresponding sides are not equal
Step-by-step explanation:
2in to 4in is multiply by 2
6 multiplied by 6 isn't 6