a room is 15 m long and 9m broad. find the cost of corpenting the room with a carpet 75cm broad at the rate of rupees 10 per meter?
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Answered by
18
permeter of room
as the 2 sides are not equal so it must be a rectangel andf 2 * l+b so
2 * [ 13 + 9 ]
44 m
cost per 75 cm. = 65
therefore cost of carpet = 1 m = 100 cm so
44 m = 44 * 100 cm
4400 cm.
4400 cm. * 10 = 44000 answer cost of room
as the 2 sides are not equal so it must be a rectangel andf 2 * l+b so
2 * [ 13 + 9 ]
44 m
cost per 75 cm. = 65
therefore cost of carpet = 1 m = 100 cm so
44 m = 44 * 100 cm
4400 cm.
4400 cm. * 10 = 44000 answer cost of room
Answered by
49
heya!!
.Area of room =l ×b
=),15×9=135m^2
lenght of carpet=area of room /width of carpet.
=)length of carpet =1350000cm/75 cm
=)lenght of carpet=18000 cm
l=180m.
1m_________10₹
180m________180×10
=)1800₹ Ans.
hope it help you.
@rajukumar☺
.Area of room =l ×b
=),15×9=135m^2
lenght of carpet=area of room /width of carpet.
=)length of carpet =1350000cm/75 cm
=)lenght of carpet=18000 cm
l=180m.
1m_________10₹
180m________180×10
=)1800₹ Ans.
hope it help you.
@rajukumar☺
rohit1801:
books ans is 1800
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