(a) In figure (1) given below, ABCD is a parallelogram in which ∠DAB = 70°, ∠DBC = 80°. Calculate angles CDB and ADB.
(b) In figure (2) given below, ABCD is a parallelogram. Find the angles of the AAOD.
(c) In figure (3) given below, ABCD is a rhombus. Find the value of x.
Solution:
More Solutions:
- If the diagonal AC bisects A, then prove that:
- Prove that it is a square.
- Show that ABCD is a square.
- Show that PQ is bisected at O.
- Show that AC and PQ bisect each other.
- Prove that AP and DQ are perpendicular to each other.
- Prove that CQ || AP.
- The four bisectors form a quadrilateral ABCD.
- The bisector of ∠A meets DC in E and AB = 2 AD.
- A and B meet at E which lie on DC.