Perimeter of composite figures

What is the perimeter of the semi-circle?

Hint 1: double the radius and multiply by 3.14 then divide by two

Hint 2: don't forget to add the length across the circle.

• 11 yd
• 17.27 yd
• 34.54 yd
• 28.27 yd

What is the perimeter of the figure?

Hint 1: Solve for the circumference of the full circle, then divide by 2.

Hint 2: Add the two side lengths to the length of the semi-circle.

• 74.82 cm

• 115.64 cm

• 105.64

• 81.64 cm

Find the perimeter of this figure.

Hint 1: Find the length of the semi-circle (pi multiplied by 10 then divide by 2)

Hint 2: add on the 3 lengths from the rectangle.

• 15.7in

• 55.7in

• 30.7in

• 40.7in

Which line segment is half the length of the diameter AD?

• BD
• BC
• AE
• DA

The diameter of the semicircle is 8 cm. Find the perimeter.

Hint: Don't forget to add the straight length back on after you find the semi-circle length.

• 25.12 cm
• 33.12 cm
• 20.56 cm
• 100.48 cm

Which segment is not a radius?

• CA
• CB
• EC
• LM

Find the area of the composite figure.

Hint 1: Find the length of the semi-circle (pi multiplied by 12 then divide by 2)

Hint 2: add on the 3 lengths from the rectangle.

• 33 ft

• 68.68 ft

• 62.84 ft

• 81.68 ft

Find the perimeter.

• 30 units
• 39.42 units
• 33.42 units
• 30.42 units