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mr Goodwill [35]
3 years ago
7

4 strips of paneling 40cm long and 4cm wide are arranged to form a square. What is the area of the inner square in cm

Mathematics
1 answer:
Rom4ik [11]3 years ago
4 0

The area of the square will be 640 sq cm.

Step-by-step explanation:

Given,

Number of strip = 4

Length (l) of each strip = 40 cm

Width (b) of each strip = 4 cm

To find the area of the inner square.

Formula

The area of rectangle = l×b

If the area of a square is A, each side will be √A

Now,

Area of each strip = 40×4 sq cm = 160 sq cm

Area of 4 strips = 160×4 sq cm = 640 sq cm

Hence,

The area of the square will be 640 sq cm.

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2 years ago
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