Awheel is rolling down an incline as shown in the figure at the right. twelve evenly spaced diameter form spokes of the wheel. when spoke 2 is vertical, which spoke will be perpendicular to the incline?

answer

explanation

the area of a circle is calculated using the formula

or

we can use any of the above formulae to calculate the required. preferably, let us use the latter since the diameter is

we substitute the diameter into the formula to get:

this is the exact value for the area of the circle.

the correct answer is a

you would have to sell 24 bracelets.

step-by-step explanation:

84/3.5 = 24