Question

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Answer 1

Answer:

a) Sum of all sides.

b) 24cm

c)

d) 42cm

e) 52cm

Answer 2

Step-by-step explanation:

b). perimeter= 4× side

= 4×6= 24

c). perimeter= 5× side.

= 5×4= 20cm

d).perimeter = 2(l+b)

= 2(12+9)

=2×21

= 42cm

e).perimeter = side +side+side

= 16+12+14

= 42cm