Which of these is an example of a closed figure?
Open curve
A line
Rectangle
Ray
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A rectangle is a closed figure as it begins and ends at the same point; an open curve, a line and a ray are not closed figures.
Hence, option 3 is the correct option.
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If 4 pens cost ₹ 60, how much would 7 pens cost?
₹ 105
₹ 100
₹ 120
₹ 140
The literal coefficient in 9y is
9
y
0
1
Which of these angles is greater than a right angle but less than a straight angle?
Acute angle
Obtuse angle
Reflex angle
Right angle
How many lines of symmetry does a square have?
2
3
4
6