Answer:
143 degrees
Step-by-step explanation:
Triangle EDF is a right triangle and we know that angle 1 is equal to 53 degrees. So, angle 2 is equal to 180-90-53 = 37 degrees. Now that we want to find angle 3, we subtract the measure of angle 2 (which is 37) from 180. That gives us 143 degrees.
Okay 9 + 10 = 21
5 mph
10/2 is 5 miles in one hour.
Answer:x = 56
180-(60+64)=56
