Answer:
The opening is a rectangle
AC = 18 in
BD = 18 in
Step-by-step explanation:
9+9 = 18
since the diagonals are equal, it is a rectangle.
x = 11
Given :
AB = x + 5
BC = 2(x - 3)
AB = BC
x + 5 = 2(x - 3)
x + 5 = 2x - 6
5 + 6 = 2x - x
11 = x
happy to help :)
12 ( x+3)
We can factor a 12 out of each term
12 *x + 12*3
