A table cover 5m x 3m, is spread on meeting table. If 25cm of the table cover is
hanging all around the table, find the area of the table top.
Answers
Given:
☯ Length of table cover = 5 m
☯ Breadth of table cover = 3 m
☯ Dimensions of table cover hanging all around the table = 25 cm
To Find:
❍ Area of the table top
How to solve?
In this question, first we will convert length and breadth of table into cm, then the table cover which is hanging all around the table that is 25 cm, we will subtract it from both length and breadth. Now, we will left with the length and breadth of the table top and by applying formula we will find it's area.
Solution:
Length of table cover = 5 m
1 m = 100 cm
5 m = 5 × 100
= 500 cm
Breadth of table cover = 3 m
1 m = 100 cm
3 m = 3 × 100
= 300 cm
• Length of table cover = 500 cm
• Breadth of table cover = 300 cm
Substract 25 cm from both,
➟ Length of table top = ( 500 - 25 ) cm
➟ Length of table top = 475 cm
➟ Breadth of table top = ( 300 - 25 ) cm
➟ Breadth of table top = 275 cm
❏ Length of table top = 475 cm
❏ Breadth of table top = 275 cm
Now, find area by using formula
⇰ Area of table top = l × b
⇰ Area of table top = 475 × 275
⇰ Area of table top = 130625 cm²
∴ Area of table top = 130625 cm²
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Solution ♡
Length = 5 cm = 500 cm
Breath = 3 cm = 300 cm
(hanging) Extra Table cover = 25 cm
Length of top = 500 - 25 = 475
Breadth of top = 300 - 25 = 375
Area of top = l × b
↣ 475×375