Evaluate \dfrac j4 4 j ? start fraction, j, divided by, 4, end fraction when j=12j=12j, equals, 12.

We need to evaluate the value of fraction .

We also given j=12.

In order to evaluate the value of fraction , we need to plug j=12.

Plugging j=12, we get

We have 12 in numerator and 4 in denominator.

We always divide top number by bottom number.

So, we need to divide 12 by 4.

On dividing 12 by 4 we get 3.

step-by-step explanation:

it would rotate about 180 degrees.