Easy. 8 hats because no one likes hats anymore.
Answer:
±2 sqrt(3) =x
Step-by-step explanation:
12 - x^2 = 0
Add x^2 to each side
12 - x^2 + x^2 = x^2
12 = x^2
Take the square root of each side
±sqrt(12) = sqrt(x^2)
±sqrt(4*3) = sqrt(x^2)
±sqrt(4) sqrt(3) = x
±2 sqrt(3) =x
It is acute isosceles triangle
The answer is:
(1,4) into (5,2)
(3,1) into (7,-1)
(1,1) into (5,-1)