Verify experimentally that the opposite angles of a cyclic quadrilateral are supplementary.
In the given figure, RT is a tangent and R is the point of contact. If QRT = 70° and PRT = 30°, find the measure of RPQ.
In the figure, L is the center of the circle, MN is the diameter and M is the point of contact. If MCL=55°, find the measure of CLN.
In the adjoining figure, O is the center of a circle. If angle ∠DAC = 25°, find the values of angle ∠BDC and angle ∠BAC.
In the given figure, X is the center of the circle, AB and AC are two tangents to the circle. If angle ∠BAC = 105°, find the value of ∠BAC
Find the area of a quadrant of a circle whose circumference is 22 cm?
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