4 + 12 +12 = 28cm
so in conclusion it is 28
Answer:
The major difference between the intersecting lines and the perpendicular lines is that intersecting lines are the two lines in which they intersect each other at any angle, whereas the perpendicular lines are the two lines, in which they intersect at an angle of 90 degrees.
Step-by-step explanation:
The answer is 15 cookies and 5 brownies