antoinetteasd
Answered

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plz help me on this one its really hard :(

Plz Help Me On This One Its Really Hard class=

Sagot :

Answer:

It will be 63.9

Step-by-step explanation:

Trust me, I got it right

mlkcloud

Answer:

63.6mm² (the last option)

Explanation:

the formula for calculating the area of a circle is πr², where r is the length of the radius.

in this case, we know that 9mm is the length of the diameter of the circle, so we can divide that by 2 to get 4.5mm for the length of the radius.

the question has instructed us to use 3.14 for π (pi), so we can substitute these values into the formula:

πr² = 3.14 × 4.5² = 63.585mm²

we can now round this to the nearest tenth to get 63.6mm², which would be the last option.

i hope this helps! :D

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