1.
P = 4s
P = 4(4)
P = 16 cm
2.
P = 2L + 2W
P = 2(10) + 2(4)
P = 20 + 8
P = 28 in
3.
P = a + b + c
P = 3 + 5 + 7
P = 8 + 7
P = 15 cm
4.
P=b1+b2+l1+l2
P = 7 + 9 + 5 + 5
P = 16 + 5 + 5
P = 21 + 5
P = 26 cm
5.
P=2(a+b)
P = 2(6 + 12)
P = 12 + 24
P = 36 cm
6.
P = 4(15)
P = 60 cm
7.
P = 12 + 15 + 20
P = 27 + 20
P = 47
8.
P = 2(22) + 2(10)
P = 44 + 20
P = 64 m
9.
P = 10 + 12 + 15 + 14
P = 22 + 15 + 14
P = 37 + 14
P = 51 ft.
10.
P = 2(12 + 24)
P = 24 + 48
P = 70 m
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Answers & Comments
Answer:
Formula:
P = 2L + 2W - Rectangle
P = 4s - Square
P = a + b + c - Triangle
P=b1+b2+l1+l2 - Trapezoid
P=2(a+b) - Parallelogram
1.
P = 4s
P = 4(4)
P = 16 cm
2.
P = 2L + 2W
P = 2(10) + 2(4)
P = 20 + 8
P = 28 in
3.
P = a + b + c
P = 3 + 5 + 7
P = 8 + 7
P = 15 cm
4.
P=b1+b2+l1+l2
P = 7 + 9 + 5 + 5
P = 16 + 5 + 5
P = 21 + 5
P = 26 cm
5.
P=2(a+b)
P = 2(6 + 12)
P = 12 + 24
P = 36 cm
6.
P = 4s
P = 4(15)
P = 60 cm
7.
P = a + b + c
P = 12 + 15 + 20
P = 27 + 20
P = 47
8.
P = 2L + 2W
P = 2(22) + 2(10)
P = 44 + 20
P = 64 m
9.
P=b1+b2+l1+l2
P = 10 + 12 + 15 + 14
P = 22 + 15 + 14
P = 37 + 14
P = 51 ft.
10.
P=2(a+b)
P = 2(12 + 24)
P = 24 + 48
P = 70 m
#Carryonlearning
#Answerfortrees