Answer: -30
Step-by-step explanation: -13 subtract 17 = -30
The answer is C. 90 degrees.
This is because angle R is one of the four angles of a square.
I hope this helps.
200!!!! because it’s 5x20 in each triangle and you divide by 2 so 5x20 is 100 and 100 divided by 2 is 50 and there are 4 squares so 50 x 4 and you get 200 hope that helped!!
You just multiply the option amounts :) 4x2x7x3=168