Respuesta :

//I take it you're trying to find the area or circumference of a circle, so I'll do both.

[tex] \pi [/tex][tex] r^{2} [/tex] = area
3.14 * [tex] 3^{2} [/tex] = 28.26 (2 d.p)

2[tex] \pi [/tex]r = circumfrence
2 * 3.14 * 3 = 18.84 (2 d.p)
danieltirado

Answer:

For r= 3.14: r^2 = 9.8596

For r = 3: r^2 = 9

Step-by-step explanation:

If we have two values of r, r= 3.14 and r = 3, we have to substitute in the expression r^2 to solve, to solve a square number you have to multiply the number for itself:

r = 3.14:

3.14^2 = 3.14*3.14 = 9.8596

r = 3

3^2 = 9

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