Answer:
78.04 square cm
Step-by-step explanation:
Area of shaded region = area of circle - Area of rectangle

Answer:
One number is 15 and 3 less than that is 12 so that is your other number
Answer:
3 have only been in ballet
Step-by-step explanation:
If
5 have been in ballet
9 have been in play
2 have been in both ballet and a play
Then
<u>3 have only been in ballet</u>
7 have only been in a play
The Unique Shape Theorem states that all regular polygons with the same number of sides are similar to each other. And the immediate result of this theorem is that there is one unique shape for them.