Calculate the area of a circle with radius of 2cm (1dp)

Mathematics

1 answer:

Shalnov [3]2 years ago

7 0

Pi r^2 = area of a circle so therefore answer is 12.6cm^2

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STatiana [176]

Answer:

48:1

Step-by-step explanation:

In this case we know the actual size and the size in the drawing therefore we can calculate its scale.

What we must do is divide the actual size by the size in the drawing. We know the actual size is 480 inches and in the drawing the size is 10 inches, so:

480/10 = 48

Which means that the relationship between the real and the drawing is 48:1

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3 years ago

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vitfil [10]

PART 1:

Jeremy gives the correct answer.

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PART 2:

The long division method is shown in the picture below

PART 3:

As mentioned in PART 1, the result of converting 41/100 into a decimal is 0.41 [non-reoccuring decimal] while converting 41/99 into a decimal is 0.41414141... [re-occuring decimal]. The conjecture in PART 1 is correct

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2 years ago

Solve the equation for y (Y-3)^2=4y-12

Jet001 [13]

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3 years ago

Square area of 1150mm^2

kirill [66]

33.91 is the square area of your question

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2 years ago

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AURORKA [14]

Answer:

x = 12

Step-by-step explanation: