Answer:
12 months, so 1 year
Step-by-step explanation:
The answer for this is 42. just subtract 152 from 68 and then divide that by 2.
We know how we got 90, since a right angle is 90 degrees,
180 degrees are in a triangle.
180-90=90
Find the pair that equals 90 so you get 180 degrees!
If you have more questions don’t have hesitation to ask!
Or add all number to get 180 degrees!