Question

please help me to solve my question with step by step​

Answer 1

Here's the approach:

Split the figures into multiple sub-figures by drawing imaginary lines to get some simple figures like squares, triangles, parallelogram, trapezium etc. You can simply calculate their sides from the measurements given in the question.

Answer 2

Answer:

Your answer is here..

Step-by-step explanation:

(i) 3+4+2+5+7

    =3+7=10, 2+4=6, 10+6+5

    =16 cm + 5 cm

    =21 cm

     ======

(ii)2+2+9+9+7+7

   =2*2 +9*2 +7*2

   =4 cm+18 cm+14 cm

   =(4+18) +14

   =22 cm+ 14 cm

   =36 cm

    =======

I think that this answer may help you..................