I will mark the brainliest 100 points

4 squared is 16 so 16 times 3.14= 50.24

Step-by-step explanation:

4^2 = 16

16 x 3.14 = 50.24 in2

Step-by-step explanation:

Formula of area of a circle:

π x r^2(radius being squared)

To make it more easier:

3.14 or 22/7 x radius^2

Some keywords:

Radius: Half of your diameter or given radius

Radius Squared: Your radius squared, your radius to the power of 2.

Pi: 3.14 or 22/7 depending on what they tell you to use for pi

he has now walked a total of what?

if i know what this is maybe i can

step-by-step explanation: