Circles
Tangents, properties of chords and angle properties of circles.
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Take a full mock →Q1 · Circles · HARD
Two circles with radii 5 cm and 3 cm touch each other externally. What is the length of their common tangent (direct common tangent)?
Q2 · Circles · EASY
A tangent is drawn to a circle of radius 6 cm from a point 10 cm away from the center. What is the length of the tangent?
Q3 · Circles · EASY
Two tangents PA and PB are drawn to a circle from an external point P. If angle APB = 60°, what is the angle AOB where O is the center of the circle?
Q4 · Circles · MEDIUM
A chord AB of a circle is 24 cm long and is at a distance of 5 cm from the center. What is the radius of the circle?
Q5 · Circles · MEDIUM
In a circle, an inscribed angle subtends an arc of 140°. What is the measure of the inscribed angle?