Question :-
Area: एक आयताकार प्लाट की भुजाओं में 5:4 का अनुपात है और इसका क्षेत्रफल 500 वर्ग मी. है प्लाँट की परिमाप है ?
Options :-
A - 45 मीटर
B - 34 मीटर
C - 90 मीटर
D - 67 मीटर
vk107:
90
Answers
Answered by
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Let the sides of rectangle be 5x and 4x
A/q,
4x * 5x = 500
➡ 20x² = 500
➡ x² = 500/20
➡ x² = 25
➡ x = 5
therefore length and breadth are 5x = 25 m and 4x = 20 m respectively.
Now, perimeter of rectangle = 2(l+b)
➡ 2 ( 25 + 20 )
➡ 2 ( 45 )
➡ 90m
so, option (c) is correct.
Hope it will help you !!!
A/q,
4x * 5x = 500
➡ 20x² = 500
➡ x² = 500/20
➡ x² = 25
➡ x = 5
therefore length and breadth are 5x = 25 m and 4x = 20 m respectively.
Now, perimeter of rectangle = 2(l+b)
➡ 2 ( 25 + 20 )
➡ 2 ( 45 )
➡ 90m
so, option (c) is correct.
Hope it will help you !!!
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