Mathematics
ABCD is a parallelogram. If AB = 2AD and P is the mid-point of CD; prove that : ∠APB = 90°.
Related Questions
In a quadrilateral ABCD, AB = CD and ∠B = ∠C. Prove that:
(i) AC = DB,
(ii) AD is parallel to BC.
In the diagram below; P and Q are midpoints of sides BC and AD respectively of the parallelogram ABCD. If side AB = diagonal BD; prove that the quadrilateral BPDQ is a rectangle.
Construct a parallelogram ABCD in which diagonal AC = 6.3 cm; diagonal BD = 7cm and the acute angles between the diagonals is 45°.
Construct a rhombus whose diagonals are 4.7 cm and 5.4 cm.