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Understanding Elementary Shapes — Chapter Test

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Q1
Which is the odd one out (three are quadrilaterals)?
A triangle has 3 sides; the others are quadrilaterals.
Q2
Pentagon is to 5 as hexagon is to ___ ?
A hexagon has 6 sides.
Q3
A triangle with one right angle is a ___ triangle.
A 90° angle makes a right triangle.
Q4
Which of these is a regular polygon (all sides equal)?
A square has all sides and angles equal, so it is regular.
Q5
A triangle with all sides different is ___ ?
No equal sides means scalene.
Q6
A polygon with 6 sides is a ___ ?
6 sides make a hexagon.
Q7
How many faces does a cube have?
A cube has 6 faces.
Q8
How many vertices does a cuboid have?
A cuboid has 8 vertices.
Q9
How many faces does a cone have?
A cone has 2 faces — one flat and one curved.
Q10
A quadrilateral with exactly one pair of parallel sides is a ___ ?
One pair of parallel sides makes a trapezium.
Q11
A dice is the shape of a ___ ?
A dice is a cube.
Q12
A football is the shape of a ___ ?
A football is a sphere.
Q13
How many edges does a cylinder have?
A cylinder has 2 edges (the two circular rims).
Q14
For a cube with 6 faces, 8 vertices and 12 edges, what is F + V?
6 + 8 = 14.
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