In the given figure, ∠A= 130 degrees and ∠B= 40 degrees. If △ABC is congruent to △DEF, then find ∠F.
In the given figure, AB is the diameter of a circle with centre O. ∠ = 130o . FInd : (i) ∠ DAB (ii) ∠ DBA
The figure given below, shows a circle with centre O.
Given : ∠ AOC = a and ∠ ABC = b.
(i) Find the relationship between a and b.
(ii) Find the measure fo angle OAB, if OABC is a parallelogram.
In the given figure, if ∠AOC=130∘, find the value of ∠ABC .
In the given figure, PQRS is a cyclic quadrilateral in a circle with centre O. If ∠PSR=130∘. Find ∠QPR.