a: Find the perimeter of the following figures:
11.)
20cm
P=
12.)
P-
4 m
8m
13.)
8 m
P=
12 m
P=
14.)
15cm
10cm
P=
5cm
15.)
11.)
20cm
P=
12.)
P-
4 m
8m
13.)
8 m
P=
12 m
P=
14.)
15cm
10cm
P=
5cm
15.)
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Answer:
11. 60 cm
12. 24 m
13. 40 m
14. 20 cm
15. 27 cm
Step-by-step explanation:
The perimeter is the length of the outline of a shape. To find the perimeter of a rectangle or square you have to add the lengths of all the four sides. x is in this case the length of the rectangle while y is the width of the rectangle. The area is measurement of the surface of a shape.