Yes it is a right triangle
Answer:
18
Step-by-step explanation:
4x + 5x = 180
10x = 180
x = 18
Answer:
C) 50
Step-by-step explanation:
This is because -10 x 5 = -50 and if you have 20 points to start with, you just do 20-(-30)=20 and two minuses make a plus so it is 20 + 30 which is 50.
Answer: D, or 1+cotangent squared theta= cosecant squared theta
Step-by-step explanation: Took the test it is right