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FORMULA:
SOLVING STEPS:
P = 2a + 2 b
P = 2(5m) + 2(12m)
P = 10m + 24m
P = 34m
Therefore, the perimeter of given polygon is 34m
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P = a + b + c
P = 5m + 7m + 9m
P = 21m
Therefore, the perimeter of given polygon is 21m
P = a + b + c + d
P = 9cm + 4cm + 4cm + 7cm
P = 24cm
Therefore, the perimeter of given polygon is 24cm
P = 4a
P = 4(15dm)
P = 60dm
Therefore, the perimeter of given polygon is 60dm
P = 2l + 2w
P = 2(20cm) + 2(10cm)
P = 40cm + 20cm
P = 60cm
Therefore, the perimeter of given polygon is 60cm
P = 2dm + 9dm + 9dm + 12dm
P = 32dm
Therefore, the perimeter of given polygon is 32dm
– P o(≧▽≦)o PER
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Answers & Comments
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① ANSWER
FORMULA:
SOLVING STEPS:
P = 2a + 2 b
P = 2(5m) + 2(12m)
P = 10m + 24m
P = 34m
Therefore, the perimeter of given polygon is 34m
______________________________________
② ANSWER
FORMULA:
SOLVING STEPS:
P = a + b + c
P = 5m + 7m + 9m
P = 21m
Therefore, the perimeter of given polygon is 21m
______________________________________
③ ANSWER
FORMULA:
SOLVING STEPS:
P = a + b + c + d
P = 9cm + 4cm + 4cm + 7cm
P = 24cm
Therefore, the perimeter of given polygon is 24cm
______________________________________
④ ANSWER
FORMULA:
SOLVING STEPS:
P = 4a
P = 4(15dm)
P = 60dm
Therefore, the perimeter of given polygon is 60dm
______________________________________
⑤ ANSWER
FORMULA:
SOLVING STEPS:
P = 2l + 2w
P = 2(20cm) + 2(10cm)
P = 40cm + 20cm
P = 60cm
Therefore, the perimeter of given polygon is 60cm
______________________________________
⑥ ANSWER
FORMULA:
SOLVING STEPS:
P = a + b + c + d
P = 2dm + 9dm + 9dm + 12dm
P = 32dm
Therefore, the perimeter of given polygon is 32dm
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– P o(≧▽≦)o PER