(a) In the figure (1) given below, ABCD is a rectangle (not drawn to scale ) with side AB = 4 cm and AD = 6 cm. Find :
(i) the area of parallelogram DEFC
(ii) area of ∆EFG.
(b) In the figure (2) given below, PQRS is a parallelogram formed by drawing lines parallel to the diagonals of a quadrilateral ABCD through its corners. Prove that area of || gm PQRS = 2 x area of quad. ABCD.
Solution:
More Solutions:
- Prove that the quadrilateral is a parallelogram.
- Find the area of parallelogram ABCD.
- Prove that: area of ∆AER = area of ∆AFR.
- Prove that area of ∆ABP = area of ∆ACQ.
- Calculate the length of a chord.
- Calculate its distance from the centre of the circle.
- Calculate the radius of the circle.
- Calculate the length of the chord.
- Find the length of the chord of the same circle.
- In a circle of radius 5 cm.