pls do solve this question by steps
in a parallelpgam ABCD, AE is perpendicular to DC and CF is perpendicular to AD. IF AB=10cm, AE=6cm and CF=8cm then find AD
Answers
Answered by
3
AE⏊CD
CF⏊AD
AB=CD=10cm[∵opposite sides of ||gm]
AE=6cm
CF=8cm
ar(ABCD) =1/2×AE×CD........(1)
ar(ABCD)=1/2×CF×AD........(2)
equating(1)&(2)
1/2×10×6=1/2×8×AD
AD=15/2
AD= 7.5cm
CF⏊AD
AB=CD=10cm[∵opposite sides of ||gm]
AE=6cm
CF=8cm
ar(ABCD) =1/2×AE×CD........(1)
ar(ABCD)=1/2×CF×AD........(2)
equating(1)&(2)
1/2×10×6=1/2×8×AD
AD=15/2
AD= 7.5cm
Attachments:
Similar questions