Answer:
angle 2 =90 because it is a right angle
Answer:
no they are not because 11, 14 is the only one that has a vertices
Step-by-step explanation:
When you've got a squares bracket, this simply becomes the bracket twice, therefore, (r+s)2 becomes (r+s)(r+s)
You've then go to use FOIL, and this gives you r^2+rs+sr+s^2, and this cannot be simplified any further.
Therefore, the product of this is r^2 + s^2 + rs + sr
Hope this is what you're looking for :)
Answer:
1/4 is correct, or .25 in decimal form
Step-by-step explanation:
