ICSE Class 9: Quadrilaterals and Parallelograms Videos | Construction of squares and rectangles

• in the adjoining figure ABCD is a parallelogram in which angle BAD = 70 degrees and angle CBD =50 degrees calculate angle ADB and angle CDB.
• What is a roumbus
• construct a quadrilateral ABCD,when: BC=7.5cm,AC=5.8cm,AD=3.6cm,CD=4.2 and angle A=120º  

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