The sum of two adjacent sides is 11 inches, so the long sides are 9 inches. The "unknown number" must be 12.
Answer:
x^3 +x^2 +x+1
Step-by-step explanation:
Your welcome!!!!!!!!!!!
For the one on the left they are corresponding and on the right they are vertical
Does 2 is included in the square root?
sq.rt (44/2) ? or (sq.rt 44)/2
The answer to this is C.54 units² .
Area=1/2 base*height
base=12
height=9
12*9=108
108/2=54
Area=54