Answer:
Missing side = x+2
Step-by-step explanation:
The perimeter of the classroom, 6x+3, is equal to the 4 side lengths added up.
In their first line of work, the first plus sign should be an equal sign as follows:
6x+3 = 3x+1+x+x+?
simplify
6x+3 = 5x+1+?
subtract (5x+1) from both sides
x+2 = ?
There's the length of the missing side.
X1= -2 X2=6
5:33. Simplified version: 1:6.6
Hope this helps!
The answer is C because AO and BO are equal. And with AO being three times the length of CO, BO should be the length of DO
