P6 Math Revision Area and Circumference/Perimeter

This figure is made by overlapping a semicircle of diameter 10cm on a quarter circle of radius 8cm. What is the perimeter of the unshaded region? (Take π as 3.14) Ans: ___ cm

This figure is made up of 5 identical quarter circles of radius 8cm. What is the perimeter of this figure? (Take π as 3.14) Ans: ___ cm

This figure is made up of a semicircle of radius 12.5cm and a 25cm by 20cm rectangle. What is the perimeter of this figure? (Take π as 3.14)

Ans: ___ cm

This figure is made up of a semicircle and a rectangle. What is the perimeter of this figure? (Take π as 3.14)

Ans: ___ cm

What is the perimeter of this figure?

(Take π as 3.14)

Ans: ___ cm