I have no idea what this is anymore can someone help

Ohh I Learned this! so You Would just do 3.14 x 10  which is 31.4 so you just  write 31.4 in and the little two   in the top of  the In.

Step-by-step explanation:

I hope this helps:>  If correct feel free to mark brainliest

A=31.4in

Step-by-step explanation:

everything is in front of your eyes, I don't know what's hard in it

the area of the circle rule is:

A=πr²

the givens is the that the radius is 10in and use 3.14 instead of π as the question said

A=3.14(10)

A=31.4in

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step-by-step explanation:

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length