<h3>Answer: </h3>
2250 dives
<h3>Explanation</h3>
If each kid dives off the diving board 9 times, for 250 kids, you need to resolve a simple operation:

Answer: 75 degrees on the other two angles because all of the angles added together should be 180. So if you do 180-30 then divide that by 2 you get the other two angles.
Step-by-step explanation:
Answer:
90+ 135= 225
Step-by-step explanation:
a can be found with formula (n-2)×180/n, where n is number of sides
a= 135
b=90
Answer:
C and D
Step-by-step explanation: