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A rectangle has a length 8 cm longer than its width. Find the dimensions of the rectangle if the perimeter is 80 cm.

a. L = 20 cm and Width = 12 cm
b. L = 22 cm and Width = 14 cm
c. L = 24 cm and Width = 16 cm
d. L = 26 cm and Width = 18 cm

Pasagot po with explanation po sna if pede​

Sagot :

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Answer:

C. L = 24 cm and width = 16 cm

384cm²

p= l+8

K= 2(p+l)

80 cm= 2(p+l)

40 cm= p+l

40 cm= l+8+l

40 cm= 2l+8 cm

32 cm= 2l

l= 16 cm

p= 16 + 8 cm

p= 24 cm

24 cm × 16 cm

384 cm²

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