Answer:22
Step-by-step explanation:
Answer:
37.7
Step-by-step explanation:
First, we have to divde 22/7 to find the scale factor. I chose 22 and 7 because those two sides are ocngruent. We get 3.14. We then have to multiply 12 by 3.14 beacuse that is the side that is congruent with the side y. When you multiply you should get 37.68. Since we have to round we get 37.7.
There are 63 students in the room, this is because 21 time 3 gives you 63.
Answer:
Option D,
, since the answer is 4 which is a rational number considering that it's a whole number
Hope this helps!