At the end of one day, the value of a share
of a certain stock was $12. over the next
three days, the change in the value of the
share was - $1, then, --$1, and then $3.

the correct answer option is d. la = πrs.

step-by-step explanation:

we know that for a right cone, the lateral surface area is given by:

lateral area of right cone =

here the value under the square root is equal to slant height so replacing this value by in the formula to get:

lateral area of right cone =

therefore, the correct answer option is d.