Answer:
Perimeter: 42cm
Area: 66cm^2
Step-by-step explanation:
P42 cm - P26 cm = 16 cm + 13 cm = P = 26 cm
Those are two rectangles. One total and deduct the missing piece.
P=2(l+w)
First: Total 12 by 9 rectangles = P42 cm
Second: Lengths = 12 -5 = 7 and 9-3 = 6 = P=26
Thirs: add the missing lengts! 7 + 6 cm
(Z + 2•)
9 groups
3n-9<23
You can use any variable you want for n
it is a
