In fig.39, `A D\ a n d\ C F` are respectively perpendiculars to sides `B C\ a n d\ A B` of ` A B Cdot` if `/_F C D=50^0,\ fin d\ /_B A Ddot`

In Figure, B M a n d D N are both perpendiculars to the segments A C a n d B M=D N . Prove that A C bisects B D

In Figure, A B C D\ a n d\ A E F G are two parallelograms. If /_C=58^0, find /_F

In A B C ,\ D ,\ E\ a n d\ F are, respectively, the mid-points of B C ,\ C A\ a n d\ A B . If the lengths of side A B ,\ B C\ a n d\ C A are 7cm, 8cm, and 9cm, respectively, find the perimeter of D E F

In Figure, A D\ a n d\ B E are medians of A B C\ a n d\ B E||D F . Prove that C F=1/4A C

In Fig.87, the corresponding arms of /_A B C\ a n d\ /_D E F are parallel. If /_A B C=75^0, find the /_D E Fdot

B D is one of the diagonals of a quadrilateral A B C Ddot\ \ A M\ a n d\ C N are the perpendiculars from A\ a n d\ C , respectively, on B Ddot Show That a r\ (q u a ddotA B C D)=1/2B Ddot(A M+C N)

In Fig.85, A B C D\ a n d\ A C B Ddot Find the value of x , y , zdot

In Figure, A N and C P are perpendicular to the diagonal B D of a parallelogram A B C Ddot Prove that : A D N~= C B P (ii) A N=C P

A B C D is a trapezium with parallel sides A B=a\ a n d\ D C=bdot If E\ a n d\ F are mid-points of non-parallel sides A D\ a n d\ B C respectively, then the ratio of areas of quadrilaterals A B F E\ a n d\ E F C D is: a : b (b) (a+3b):(3a+b) (3a+b):(a+3b) (d) (3a+b):(3a+b)

In Fig. 71, if A B C D\ a n d\ C D E F ,\ find \ /_A C E