Area of each square | = 14 × 14 |
= 196 cm2 |
Area of shaded part | = 3 × Area of each square |
= 3 × 196 | |
= 588 cm2 |
Perimeter of shaded part | = | 4 × Quarter of the circumference of the circle + 4 × Side of square |
= | 4 × × 2 × × 14 + 4 × 14 | |
= | 88 + 56 | |
= | 144 cm |