Mathematics
If the area of the parallelogram ABCD is 10 cm2, then the area of ΔBCD is :
10 cm2
5 cm2
20 cm2
25 cm2
Theorems on Area
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Answer

Diagonal BD divides it into triangles ABD and BCD of equal area.
ar(ΔBCD) = ar(∥gm ABCD)
=
= 5 cm2.
Hence, option 2 is the correct option.
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