Answer:
There are 2 hours and 30 minutes in 150 minutes.
Step-by-step explanation:
Answer: D) Reflection across the y-axis;
counterclockwise rotation about the origin
30 degree
The sum of isosceles triangle is 180 degree. And this triangle 2 sides have to be equal.
So one of our angle is 120 degree. Two angle will be 180-120 = 60 degree
Now one angle 60/2=30