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3 years ago

900=400+789-680COS A

Mathematics

1 answer:

murzikaleks [220]3 years ago

8 0

Answer:

509cosa

Step-by-step explanation:

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The length of a rectangle is twice it’s width if the perimeter of the rectangle is 54 cm

castortr0y [4]

Width = 9cm

Length = 18cm

<u>Explanation:</u>

Let width = b,

So, length = 2b

Perimeter of rectangle = 2x(length + width)

According to the question,

$54cm = 2X(2b + b)\\54cm = 2X(3b)\\27cm = 3b\\b = 9cm$

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Width = 9cm

Length = 18cm

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