Question
Which of the following are polygons?
✓
Answer
- It is formed by four line segments and we know that a simple closed figure formed by three or more line segments is called a polygon. So, it is a polygon named quadrilateral.
- It is formed by three line segments and we know that a simple closed figure formed by three or more line segments is called a polygon. So, it is polygon named triangle.
- It is formed by twelve line segments and we know that a simple closed figure formed by three or more line segments is called a polygon. So, it is polygon.
- It is not a polygon because it contains curves.
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Draw a line segment of length 8.6cm. Bisect it and measure the length of each part.
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| Opposite number |
The population of Delhi State in different census years is as given below:
Represent the above information with the help of a bar graph.
|
Census year
|
1961
|
1971
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1981
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1991
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2001
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Cars Sold
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30
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i. Collinear points
ii. Rays
iii. Line segments
iv. Lines
Simplify:
$7\frac{1}{2}-\Big[2\frac{1}{4}\div\Big\{1\frac{1}{4}-\frac{1}{2}\Big(\frac{3}{2}-\overline{\frac{1}{3}-\frac{1}{6}}\Big)\Big\}\Big]$
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Bar graph showing the number of cycles produced in a factory during five weeks.
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In which week was the production maximum?
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In which week was the production minimum?
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What is the average production during these five weeks?
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How many cycles were produced in the first 3 weeks?
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1020304, 893245, 980134, 1021403, 893425, 1020216
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