ABCD is a parallelogram. AE is perpendicular on DC and CF is perpendicular on AD. If AB = 10 cm, AE = 8 cm and CF = 12 cm. Find AD.

In the given figure, if AB = 12cm. BC = 8cm and AC = 10 cm, then AD = ………cm

ABCD is parallelogram and ABEF is a rectangle and DG is perpendicular on AB. Prove that (i) ar (ABCD) = ar(ABEF) (ii) ar (ABCD) = AB xx DG

ABCD is a rectangle. If AB = 5 cm and BC = 12 cm. then BD= ……….cm

In the given figure, DE||BC" and "PE||DC . If AP= 4 cm and PB= 12 cm, find AD.

In parallelogam ABCD, AMbotCD and ANbotBC . If AM=8 cm, AB=12 cm and AD=16 cm, find AN.

ABCD is a rectangle . If AB=10 cm and ar(ABCD)=150 cm^2 , then BC=____ cm.

In Delta ABC , M and N are the midpoints of AB and AC respectively. If AB = 8 cm, AC = 7 cm and MN = 4.5 cm, find the perimeter of Delta ABC .

In Delta ABC, DE ||BC . AD = x , DB = x - 2 , AE = x + 2 and EC = x -1 . Find the value of x.

Answer the following by a number or a word or a sentence : In triangle ABC , AD ia a median. If AB= 6 cm, AC= 8 cm and AD= 5 cm, find BC.

ABCD is a parallelogram. If ar (ABC) = 18 cm^(2) , then are (ABCD) = …………….. cm^(2)