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28-05-2021
Mathematics

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the length of a rectangle is four times it's width.if the perimeter is 70cm. Calculate the length and area of the rectangle

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ferrybukantoro ferrybukantoro

28-05-2021

Answer:

length=28 cm

the area = 196 cm²

Step-by-step explanation:

length = 4 × width

2×(4w+w) = 70

2×5w=70

10w=70

w= 7 cm

length = 4×7 = 28 cm

the area = 28 ×7 = 196 cm²

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