Question

In the given figure, ABCD is a ||gm in which diagonals AC and BD intersect at O. If ar(||gm ABCD) is `52 cm^(2)` then the `ar(triangleAOB)`=?

A. `26 cm^(2)`
B. `18.5 cm^(2)`
C. `39 cm^(2)`
D. `13 cm^(2)`

Answer 1

Correct Answer - D
`ar(triangleOAB)=(1)/(4)ar("||gm ABCD")=((1)/(4)xx52)cm^(2)=13cm^(2)`.