seems had a wire of some length. after making a square of side 4 CM was it 5 CM wire left. find the length of wire seems had.
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2
Answer:
easy
perimeter of sq = 4 a
4 × 4 cm
= 16 cm
and ques says
5 cm was left
thus,
16 cm + 5 cm
= 21 cm
wire length = 21 cm
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Answered by
8
Answer:
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LENGTH OF WIRE= 21CM
Step-by-step explanation:
LET THE SIDE OF THE SQUARE , a = 4cm
NOW , PERIMETER (LENGTH OF SIDE) OF SQUARE = 4a
= 4×4cm
=16cm
now , wire left is 5cm
total length = perimeter of square + amount of wire left
= 16cm+5cm
= 21cm
Therefore, the total length of the wire had with seema is 21cm.
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