CBSE Class 8 - Quadrilaterals Videos
Sum of the Measures of the Exterior Angles of a Polygon
This video explains the method of finding number of sides of a polygon if the measure of an exterior angle or measure of an interior angle of a polygon is give.
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Quadrilaterals
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Properties of parallelograms
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Polygons and their Classification
- Three angles of a quadrilateral are in the ratio 3 ratio difference of the list and the greatest of these angles is 45 degree find all the four angles of the quadrilateral
- PQRS is a rectangle. If PQ= 4cm and SP= 3cm. Find OS
- How many diagonals does a triangle have?
- the angles of a quadrilateral are in ratio 2:5:7:4.Find the measure of all the angles of the quadrilateral.
- Two of the angles of a quadrilateral are 75° and 105° . If the other two angles are equal , find the measure of the other two angles.
- In the adjacent figure, ABCD is a parallelogram and line segments AE and CF bisect the angles A and C respectively. Show that AE||CF.
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Find the value of x if x,(2x + 13°),(3x+10°) and ( x-6°) are all the angles of a quadrilateral
- two adjacent angles of ???????????? ??? ????? ???? ????? ? ???? ?? ?? ?? ? ???? ?? ? ????????????
- ABCD Is a square. Its diagonals AC and BD intersect each other at O. Find the measure of angle CAD and angle DBC.
- Find the dimensions of a rectangle if its perimeter is 100 cm and its length is 20cm more than its breadth
