The area of a quadriletral is 342sq.m. The perpendiculars from two vertices to the diagonal are 12m and 12m. What is the length of this diagonal
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Let ABCD be any quadrilateral.
AC be it's Diagnol
Area of ABCD =area of 2 triangles
i.e,area of ABCD=area of ABC +ADC
324=2(1/2*AC*12)
324=12AC
AC =28.5m
AC be it's Diagnol
Area of ABCD =area of 2 triangles
i.e,area of ABCD=area of ABC +ADC
324=2(1/2*AC*12)
324=12AC
AC =28.5m
Aa2311:
U have to draw the diagram first....then u can understand easily
Thanks!!
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