Sides in a quadrilateral ABCD the four line segments AB BC CD and DA are called its sides.

Sides in a quadrilateral ABCD the four line segments ABBC CD and DA are called its sides.

Sides in a quadrilateral ABCD the four line segments ABBC.CD and DA are called its sides.

Find the area of a quadrilateral ABCD whose sides AB,BC, CD and DA are 9 cm, 40 cm, 28 cm and 15 cm respectivelyand the angle between the firswt two sides is a right angle.

ABCD is a quadrilateral. Is AB+ BC + CD+ DA gt AC+ BD ?

ABCD is a quadrilateral. Is AB+BC +CD + DA gt AC + BD ?

AD and BC are equal perpendiculars to a line segment AB. If AD and BC are on different sides of AB prove that CD bisects AB.

ABCD is a quadrilateral. Forces vec(AB), vec(CB), vec(CD) and vec(DA) act along its sides. What is their resultant ?

ABCD is a quadrilateral. Force vec(AB), vec(CB), vec(CD) and vec(DA) act along its sides. What is their resultant ?

In Figure 3, a circle touches all the four sides of a quadrilateral ABCD whose sides are AB = 6 cm, BC = 9 cm and CD = 8 cm. Find the length of side AD.

In a quadrilateral ABCD, show that (AB+BC+CD+DA)gt(AC+BD) .