If angles A, B, C and D of the quadrilateral ABCD, taken in order are in the ratio 3 : 7 : 6 : 4, then ABCD is a
Connecting you to a tutor in 60 seconds.
Get answers to your doubts.
In the figure, ABCD is a parallelogram. If P and Q are points on AD and BC respecetively such that AP=31AD and CQ=31BC, prove that AQCP is a parallelogram.
Find the area of a parallelogram ABCD in which AB = 28 cm, BC = 26 cm and diagonal AC = 30 cm.
The difference between the semiperimeter and the sides of a ΔABC are 8cm, 7cm and 5cm respectively.Find the area of the triangle.
In the figure, ABCD is a parallelogram in which ∠BAO=35o,∠DAO=40o and ∠COD=105o. Calculate ∠CBD
If the diagonals of a parallelogram are equal and intersect at right angles, then the parallelogram is a square.
The diagonals of a quadrilateral ABCD are perpendicular to each other. Prove that the quadrilateral formed by joining the midpoints of its sides is a rectangle.
ABCD is a parallelogram and AP and CQ are perpendiculars from vertices A and C on diagonal BD . Show that(i) ΔAPB=∼ ΔCQD(ii) AP = CQ
If the area of an equilateral triangle is 813cm2, find its height.