Question

Find the perimeter of the following
shapes. Assume the side of each
small squares is 1 cm. ( )​

Answer 1

For figure (i) there are 11 small square and area of each small square is 1 sq cm.

Area of the given figure =(11×1)cm

2

=11 cm

2

Perimeter of the given figure =(18×1)cm=18 cm

For figure (ii) there are 13 and area of each small square is 1 sq cm.

Area of the given figure =(13×1)cm

2

=13 cm

2

Perimeter of the given figure =(28×1)cm=28 cm

For figure (iii) there are 13 and area of each small square is 1 sq cm.

Area of the given figure =(13×1)cm

2

=13 cm

2

Perimeter of the given figure =(28×1)cm=28 cm.