Question

PLZ HELP QUICK This figure consists of a rectangle and a quarter circle.

What is the perimeter of this figure?

Use 3.14 for π.

Enter your answer as a decimal in the box.

Answer 1

The perimeter of the imaginary circle:

=2¶r

So the quarter of the perimeter of the circle is:

=1/4x2¶r

=1/4x2x3.14xr

r=1.57

Adding the two radius to the sides we obtain:

=(1/4x2¶r) +2r

=(1/4x2x3.14x1.57)+2x1.57

=5.60 approx