In the given figures, chord ED is parallel to diameter AC of the circle . Given angle CBE = 65^(@) calculate angle DEC

The given figure shows a circle with centre O such that chord RS is parallel to chord QT, angle PRT=20^(@) and angle POQ=100^(@) calculate (i) angle QTR (ii) angle QRP (iii) angle QRS (iv) angle STR

In the given figure , AD is a diameter O is the centre of the circle AD is parallel to BC and angle CBD = 32 ^(@) (i) angle OBD (ii ) angle AOB (iii) angle BED

In Figure, chord E D is parallel to the diameter A C of the circle. Given /_C B E=65^@, calculate /_D E C .

The figure given below, shows a circle with centre O. Given : angle AOC = a and angle ABC = b Find the relationship between a and b. (ii) Find the measure of angle OAB ,if OABC is a parallelogram

In the figure AB is the chord of a circle with centre O and DOC is a line segment such that BC=DO . If /_C=20^(@) , find angle AOD.

The figure, given below, shows a pentagon ABCDE with sides AB and ED parallel to each other, and angleB : angleC : angleD= 5:6: 7. (i) Using formula, find the sum of interior angles of the pentagon (ii) Write the value of angleA+angleE . (iii) Find angles B,C and D

The given figure shows a semi circle with centre O ane diameter PQ. If PA=AB and /_BCQ=140^(@) find measures of angles PAB and AQB. Also, show that AO is parallel to BQ.

In the given figure, ABCDE is a pentagon inscribed in a circle such that AC is a diameter and side BC||AE. If BAC = 50^(@ ,Find angle CDE

In the given figure, ABCDE is a pentagon inscribed in a circle such that AC is a diameter and side BC||AE. If BAC = 50^(@ ,Find angle BCA