Circumference: A shape consisting of several shapes (requiring the same formula)

Calculate the perimeter of the shape formed from an equilateral triangle and a semicircle.

$12+3\pi$

Calculate the perimeter of the figure composed of a square and a circle, the side of the square of 6 cm is the diameter of the circle.

$18+3\pi$

Calculate the circumference of the shape below:

$8\pi+7$

Calculate the perimeter of the figure formed by a square and a circle. In the middle of the side of the square is the diameter of the circle.

$35+2\frac{1}{2}\pi$

Calculate the perimeter of the figure formed by a square and two circles. In the middle of the side of the square is the diameter of the circles.

$5\pi+30$