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Maths Puzzle
The area of a rectangle remains unchanged when it is made 4cm shorter and 4cm wider or when it is made 18cm longer and 9cm narrower. Its area, in square cm, is:
Read Solution (Total 2)
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- LB= LB+4L-4B-16= LB+18B-9L-162
L-B=4
2B-L=18
L=26
B=22
Area = 22*26= 572 sq cms - 11 years agoHelpfull: Yes(2) No(0)
- L-B=4;-L+2B=18; L=18;B=22. AREA= 396 SQ.CM
- 11 years agoHelpfull: Yes(0) No(1)
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