Answer:
10
Step-by-step explanation:
QT=ST/2=√(12^2+16^2)/2=10
Answer:
Step-by-step explanation:
C
Answer:
The answer is simply 49.
Step-by-step explanation:
196 ÷ 4 is why because their are 4 sides on a square if you divide it by 4 you get the answer 49. You're probably in like 3rd grade or smth this is so easy.
4 is correct. Set up a ratio relationship between similar triangles. 
About 18 or 19 students per teacher
