6) x= 2, angle = 90 degrees obviously
7) Im not sure on this one
8) x = 5
9) x = 1
43 units
count all the square boxes. count the boxes covering more than half and leave the boxes covering less than half. I hope it's correct.
Answer:
I think x = 1.5
Step-by-step explanation:
23 - 17 = 6
6 ÷ 4 = 1.5
Difference of two squares will be
16y^2 -x^2 = (4y -x)(4y +x)
so the second choice
it had to be b cuz now all quadrilateral have straight sides
