Answer:
Step-by-step explanation:
5x+14
Set up a proportion:
4.1/22 = 12.3/x
Cross multiply:
4.1 * x = 22 * 12.3
4.1x = 270.6
Divide 4.1 to both sides:
x = 66
Answer:
b. 38 cm.
Step-by-step explanation:
Note that the 2 sides which are unmarked are the opposite sides of 2 rectangles so they are both = 2 cm.
Now we just add all the given sides.
Starting with 6 on the top and travelling clockwise:
Perimeter = 6 + 2 + 2 + 3 + 3 + 2 + 7 + 2 + 3 + 3 + 3 + 2
= 38 cm.
Yeah Im pretty sure it is