CBSE Class 8 - Properties of Parallelograms Videos

• parallelogram
• what is parallelogram?
• In the following figure both ABCD and PQRS are parallelograms. Find the value of 
  
• What will be the missing side of parallelgram with side BC=x cm,CD=x+3,AB+CD=9cm.
• one angle of a paralleogram is of measure 70.find the  measure of the remaining angels o the paralleogram  
  
• Find the measure of angles   A and  C of the kite ABCD given below.
• The ratio of two sides of a parallelogram is 4:3. If its perimeter is 56 cm, find the lengths of its sides.
• The length of a rectangle is 8 cm and each of its diagonals measures 10 cm. Find its breadth.
• In the given figure, ABCD is a rhombus whose diagonals AC and BD intersect at a point O. If side AB =10 cm and diagonal BD =16 cm, find the length of diagonal AC.  
• In the given figure, ABCD is a parallelogram in which ∠BAD = 75⁰ and ∠DBC =60⁰. Calculate: ∠CDB.  

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