Mathematics
In the adjoining figure, ABCD is a rhombus whose diagonals intersect at O. If ∠OAB : ∠OBA = 2 : 3, find the angles of △ OAB.
Related Questions
In the given figure, ABCD is a rhombus in which ∠A = 72°. If ∠CBD = x°, find the value of x.
In the adjoining figure, equilateral △ EDC surmounts square ABCD. If ∠DEB = x°, find value of x.
In the given figure, ABCD is a rectangle whose diagonals intersect at O. Diagonal AC is produced to E and ∠ECD = 140°. Find the angles of △ OAB.
In the given figure, ABCD is a kite whose diagonals intersect at O. If ∠DAB = 54° and ∠BCD = 76°, calculate :
(i) ∠ODA
(ii) ∠OBC.
