Q.

If one of the diagonals of a quadrilateral is 6cm and the perpendiculars drawn to it from its opposite vertices are 2.6 cm and 1.4 cm, then its area is

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a

12

c m 2

 

b

16

c m 2

 

c

11

c m 2

 

d

18

c m 2

 

answer is B.

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Detailed Solution

 

Area of Quadrilateral

= 1 2 d h 1 + h 2

= 1 2 ×6 2.6+1.4

= 1 2 ×6×4

=12c m 2

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If one of the diagonals of a quadrilateral is 6cm and the perpendiculars drawn to it from its opposite vertices are 2.6 cm and 1.4 cm, then its area is