Question

If th side of achess board us smaller thab it's perimeter by 21 cm,then find side of the board

Answer 1

Answer:

side of board is 5.25 cm.

Step-by-step explanation:

we know that chess board is a square then

Perimeter of square= side(a) × 4=21 cm

21=a×4

21/4=a

5.25=a

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