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paiement stelle eiGiy > lal eh lbaaels eae, A trapezium has a pair of oneal, , other Pair of opposite sides equal, 7°S Patallel, Can a trapezium have lls, , 3 Find the value of x i ; 2 mo, a Sens os Mall the ‘Wadrilateral EFGH is a parallelogram. ee, , ‘|, ‘ Mths avec eee, i 5 k Back nl, , The standard unit of Measu;, , («-5) em, , , , , , , , , , Sri, , Angles between O° and 99° own is degree (’, , between 180° and 360° eeeteee 120" is right ongle, angles between 90° Pa, Perpendicular lines are two lines way es, , ore obtuse and angles, , Rightangled triangle has one «,, Ingle which is equal to 90°, A triangle having all unequal sides ig called Acne triangle, , }, i Obtuse-angled triangle has one, , HA 'riangle having two sides equal ‘i, , Bl tional having ol sides egal is caled neers anal, , of a triangle is 180° a, panier oe figure bounded by four line segments,, Parallelogram: A quadrilateral w, Rhombus: A parallelogram with, Trapezium: A quadrilateral with, Rectangle: A parallelogram who:, Square: A rectangle whose all si, , hose opposite sides are parallel and equal., all sides equal,, , one pair of opposite sides parallel, , se each angle measures 90°, ides are equal., Kite: A quadrilateral whose pair of adjacent sides are equal, , A simple closed figure having 3 or more sides is called a polygon., A’polygon having all sides and angles equal is called a regular polygon., , i Revision Exercise, , ill in the blanks., , ) The unit of measurement of an angle is ,, , ) 1 complete rotation of a line about a point is equal to degrees., , ) A triangle whose all the sides are equal is known as an paki triangle., , ) A triangle whose two sides are equal is known as an : triangle., ) A quadrilateral with exactly two sides parallel is a, , Short Answer Questions, , hat fraction of a revolution clockwise does the hour hand, , i {,, f a clock turn through, when it goes from ir, ) 2 to 5? u, ) 12 to 9?, , , , Understanding Two Dimensional Shapes 95,
