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8 questions · self-marked practice — reveal the answer and mark yourself.

Question 12 Marks
State the properties of a rhombus.
Answer
$i.\ $A rhombus is a parallelogram whose opposite sides are parallel.
$ii.\ $All four of its sides are equal in length. Also, the opposite angles are equal.
$iii.\ $The diagonals bisect each other at right angles.
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Question 22 Marks
Define the following:
Closed figures.
Answer
A closed figure is a figure that can be traced with the same starting and ending points, and that too without crossing or retracing any part of the figure.
For example: Polygon, circle, etc.
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Question 32 Marks
Draw a circle with centre $O$ and radius $4\ cm.$ Draw a chord $AB$ of the circle. Indicate by marking points $X$ and $Y,$ the minor arc $AXB$ and the major arc $AYB$ of the circle.
Answer

This is the required diagram.
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Question 42 Marks
Draw a circle with centre $C$ and radius $4.5\ cm$. Mark points $P, Q, R$ such that $P$ lies in the interior of the circle, $Q$ lies on the circle, and $R$ lies in the exterior of the circle.
Answer

This is the required diagram.
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Question 62 Marks
What do you mean by a convex quadrilateral?
Answer
A quadrilateral with no interior angles greater than $180^\circ $ is known as a convex quadrilateral.
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Question 72 Marks
Draw a circle with centre $O$ and radius $3.7\ cm$. Draw a sector having the angle $72^\circ .$
Answer


Therefore, the required arc is arc $OACB.$
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Question 82 Marks
Take a point $O$ on your notebook and draw circles of radii $4\ cm$, $5.3\ cm$ and $6.2\ cm$, each having the same centre $O.$
Answer

.
This is the required diagram.
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