What is the area of the composite figure?

Mathematics

1 answer:

german3 years ago

6 0

Answer:

16 + 6pi cm

Step-by-step explanation:

We have a square of length 4 cm

A = s^2 = 4^2 = 16

We have 3 semi circles

with radius 2

A semi circle has an area of

1/2 pi r^2 = 1/2 pi (2)^2 = 1/2 (4pi) = 2pi

There are 3 of them

3 * 2 pi = 6pi

Add the areas together for the square and the semicircles

16 + 6pi

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ladessa [460]

Answer:

2000 cm^2/min

Step-by-step explanation:

According to the given question,

12 m^2/h = ? cm^2/min

We know,

1 h = 60 min and 1 m = 100 cm

So, by putting the values we get

12 m^2/h = 12 × (100)^2/60

12 m^2/h = 12×10000/60

12 m^2/h = 2000 cm^2/min

Thus the answer of the given question is 2000 cm^2/min .

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igor_vitrenko [27]

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