Question

10. Find the perimeter of
(i) a regular pentagon of side 8 cm,
(ii) a regular octagon of side 4.5 cm,
(iii) a regular decagon of side 3.6 cm.​

Answer 1

Answer:

40

36.0

36.0

Step-by-step explanation:

5*8=40

4.5*8=36.0

3.6*10=36.0

Answer 2

So, we get the perimeter as 8b, which can be calculated as, 8b⇒8×4.5=36cm. (iii) A regular decagon of side 3.6 cm.


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