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PilotLPTM [1.2K]

3 years ago

8

Find the area of a circle with a diameter of 4 . Either enter an exact answer in terms of use 3.14 3enter your answer as a decim

al.

1 answer:

Sphinxa [80]3 years ago

5 0

Answer:

4pi

Step-by-step explanation:

The area of a circle is given by

A = pi r^2

where r is the radius

The radius of a circle is found by

r =d/2 where d is the diameter

r = 4/2 = 2

So A = pi (2)^2

pi (4)

4pi

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<u>Q/ Draw a line ; Ans; </u>

$\frac{9}{5} —>1 \frac{4}{5}$

*explain ; We put the 5 in the denominator and 5 multiply 1 + 4 so equal 9 so the choice 9/5 .

Ans; 7/3—> 2 1/3

*explain ; We put the 3 in the denominator and 3 multiply 2 + 1 so equal 7 so the choice 7/3 .

Ans; 12/10 —> 1 1/5

*explain; simple (12 and 10) ÷ 2 so equal 6/5

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<u>Q/ Compare the fractions;Ans;</u>

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<u>Q/Subtract; Ans;</u>

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<u>Q/ Multiply;Ans;</u>

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<u>Q/Divide;Ans;</u>

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