Question

find the perimeter of the given polygon .​

Answer 1

Step-by-step explanation:

P= sum of all sides

= 3 cm + 4cm + 12cm +9cm

= 7cm + 21 cm

= 28cm ANS

Answer 2

Will tell you how ,find on your own

Step-by-step explanation:

1)Find the side AC using Pythagoras theorem

2)Use CD and DE to find CE.(Pythagoras theorem)

3)Use AC and CD to find AD (Pythagoras theorem)

4)Now add the sides AB+AD+DE+BC+CE=your answer.