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lubasha [3.4K]
2 years ago
13

PLS HELP (answer isn't 1384.74 lol)

Mathematics
2 answers:
leonid [27]2 years ago
8 0

Answer:

1385mm squared

Step-by-step explanation:

Area of Circle formula: A = pi r^2

You need to divide 42mm by 2 since that is a diameter.

*Half of the diameter is the radius*

42/2 = 21

Now, do 3.14 multiplied by 21 to the power of 2.

Formula: A = 3.14 x 21^2

Do 21^2 first.

That shall be 441

Now do 3.14 x 441

1,384.74mm - That is your exact answer.

The directions tell you to round it to the nearest whole number

THAT IS 1385mm squared

Vadim26 [7]2 years ago
8 0

Answer:

the answer is 58 because if you add 58 and 42 together you will get that answer

Step-by-step explanation:

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