Answer:
its 3 inches
Step-by-step explanation:
Because 9 divided by 3 is 3 (in.) as well as 6 divided by 2 and if its equilateral, all sides are the same (i hope this makes sense)
Triangle D
Because the Pythagorean Theorem is only used with a RIGHT triangle
Answer:
7.07106781187
Step-by-step explanation:
if its just asking 
:D
Answer:
Step-by-step explanation:
how many shapes of size A are in B ?
I counted 9.5
then just multiply the count * the size of A
got it?