R and S are respectively the mid-points of the sides AB
4. P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD such that AC ⊥ BD. Prove that PQRS is a rectangle.
01
Jul
4. P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD such that AC ⊥ BD. Prove that PQRS is a rectangle. -q 4. P BC CD and DA of a quadrilateral ABCD such that AC ⊥ BD. Prove that PQRS is a rectangle. [...]
3. P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. Prove that PQRS is a rhombus.
01
Jul
3. P, Q, R and S are respectively the mid-points of the sides AB, BC, CD and DA of a quadrilateral ABCD in which AC = BD. Prove that PQRS is a rhombus. -q 3. P BC CD and DA of a quadrilateral ABCD in which AC = BD. Prove that PQRS is a rhombus. [...]