Quadrilaterals ...

In quadrilateral ABCD, if ∠A = 60^∘ and ∠B : ∠C : ∠D = 2:3:7, then ∠D is :

If APB and CQD are 2 parallel lines, then the bisectors of the angles APQ, BPQ, CQP and PQD form, square only if

The figure formed by joining the mid-points of the sides of a quadrilateral ABCD, taken in order, is a square only if

D and E are the mid-points of the sides AB and AC of △ABC and O is any point on the side BC, O is joined to A. If P and Q are the mid-points of OB and OC res, Then DEQP is

The bisectors of the angles of a Parallelogram enclose a

Rhombus is a quadrilateral

In Quadrilateral ABCD, ∠A= 110^∘, ∠B = 75^∘ and ∠C = 35⁰. Find ∠D?

In Quadrilateral ABCD, ∠A = (3x) ^∘, ∠B = (5x) ^∘, ∠C = (20x) ^∘, ∠D = (8x) ^∘. Find the value of x?

In Quadrilateral ∠A = 38^∘, ∠C = 3 ∠A, ∠D = 4∠A. Find the value of ∠B?