1a) if all the angles are perpendicular, they all =90°
Answer:
2
Step-by-step explanation:
the mode is the one that appears the most, most common one
Answer:10.9
Step-by-step explanation:You add all of the numbers together (76) and then divide by the total of numbers (7). You will get 10.85714286, you have to round to the nearest 10th , so the 5 changes the 8 to a 9.
88 degrees is the correct answer