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The length of a rectangle is twice its breadth. If its area is 72 sq. m, find the breadth of the rectangle.
- a)12 m
- b)24 m
- c)6 m
- d)72 m
Correct answer is option 'C'. Can you explain this answer?
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Verified Answer
The length of a rectangle is twice its breadth. If its area is 72 sq. ...
Let the breadth of the rectangle be b units. The length is twice its breadth.
⇒ Its length = 2b units
∴ Area = b × 2b sq units
⇒2×b×b = 72 b × b= 72/2 ⇒b × b = 36 = 6 × 6
⇒ b = 6m
Most Upvoted Answer
The length of a rectangle is twice its breadth. If its area is 72 sq. ...
Given, Length of rectangle = 2 × Breadth
Area of rectangle = Length × Breadth
Therefore, 72 = 2 × Breadth × Breadth
or, 72 = 2 × Breadth²
or, Breadth² = 72/2
or, Breadth² = 36
or, Breadth = √36
Therefore, Breadth = 6 m
Hence, option (C) 6 m is the correct answer.
Area of rectangle = Length × Breadth
Therefore, 72 = 2 × Breadth × Breadth
or, 72 = 2 × Breadth²
or, Breadth² = 72/2
or, Breadth² = 36
or, Breadth = √36
Therefore, Breadth = 6 m
Hence, option (C) 6 m is the correct answer.
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Community Answer
The length of a rectangle is twice its breadth. If its area is 72 sq. ...
Length is twice the breadth
we will take length as b
72=2×b²
ɓ²=72/2
that is 36
square root of 36 is 6
hence b is 6
easy peasy
best of luck for exammsss!!
we will take length as b
72=2×b²
ɓ²=72/2
that is 36
square root of 36 is 6
hence b is 6
easy peasy
best of luck for exammsss!!
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The length of a rectangle is twice its breadth. If its area is 72 sq. m, find the breadth of the rectangle.a)12 mb)24 mc)6 md)72 mCorrect answer is option 'C'. Can you explain this answer?
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