Answer: 60 degrees
Explanation: If all angles are same, each angle is 60 degrees and adds up to 180.
Answer:
9/10 or 0.45 in decimal form
Step-by-step explanation:
4x +9
3x and x are like terms
And 2 and 7 are like terms
Hope this helps :D
Answer:
Step-by-step explanation:
cos 225 = -cos 45 = -1/√2.
sin 225 = -sin45 = -1√2.