Consecutive angles of a parallelogram are

ABCD is a cyclic quadrilateral ∠A : ∠C = 3 : 2 ∠B : ∠D = 4 : 1 then ∠D =

Two angles of a quadrilateral are 60^o and 70^o and other two angles are in the ratio 8 : 15 then the remaining two angles are

If D is midpoint of BC and area (ΔABC) = 20 sq.unit then area (Δ ABD) =

If M is the midpoint of hypotenuse PR of a right angled triangle PQR right angled at Q then.

The figure obtained by joining the mid points of the sides of a rhombus, taken in order, is

Three angles of a quadrilateral are 75^o, 90^o and 75^o. The fourth angle is

Quadrilateral formed by joining the midpoints of a rhombus is

If BD = 12 cm, AL = 6 cm and CM = 4 cm. Then area (ABCD) =

The central angle of arc ABC is 220^o ∠ABC is