Question

B1) Sahil has a square note book of side 9cm.Find the perimeter.

2) The length and breadth of a rectangular table is 17cm and 11cm respectively.
find its perimeter

3) Find the area of square having side 21cm.
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Answer 1

Answer:

area of Square =side* side

21*21

=441 cm

Answer 2

Answer:

Step-by-step explanation:

perimeter  = 4×9 cm       =36 cm                                                                                                      2)  perimeter  =2×(28)   =56 cm                                                                                      3)AREA         =21²       =441 cm²