Question

What is the area of a circle with a diameter of sixteen meters? Use twenty-two sevenths for pi.

one hundred eighty-four and six-sevenths meters squared

one hundred eighty-eight meters squared

two hundred one and one-seventh meters squared

two hundred four and two-sevenths meters squared

Answer 1

i multiplied 3.14 x 16 and got 50.24

Answer 2

the formal for area is A=pi.* r^2

Answer 3

I say C. two hundred one and one-seventh meters squared.

Answer 4

Diameter = 16,
So radius = 8.

\(\Large\rm A=\pi r^2\)
And they want you to use,
\(\Large\rm A=\dfrac{22}{7}r^2\)
for pi.

Answer 5

Remember how to multiply fractions?
Top with top, bottom with bottom.