Class 9 Exam  >  Class 9 Notes  >  Lab Manuals for Class 9  >  Vice Voca: Area of a Parallelogram

Vice Voca: Area of a Parallelogram | Lab Manuals for Class 9 PDF Download

Q.1. In a parallelogram ABCD, AB = 7.2 cm and altitudes corresponding to sides AB and AD are respectively 10cm and 8cm. Find AD.

9cm


Q.2. What is the area of a parallelogram and area of a triangle?

Area of a triangle = 1/2 x base x height.
Area of a parallelogram = base x height.


Q.3. If one rectangle and one parallelogram lying on the same base and between the same parallel lines then what will be area of the rectangle?

ar(rectangle) = ar (parallelogram)


Q.4. What is the relation between the area of a triangle and area of a parallelogram, if they lie on the same base and between the same parallel lines?

Area of parallelogram is twice the area of triangle.


Q.5. A ∆ABC and a parallelogram ABCD are on the same base AB and their height is also same. If the area of the triangle is 21 cm2, what would be the area of the parallelogram?

42 cm2

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