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If a rectangle be circumscribed about a ...

If a rectangle be circumscribed about a circle prove that it is a square.

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MBD-Circles-Exercise
  1. Fill in blanks- A secant drawn to a circle intersect the circle in p...

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  2. Fill in blanks- From a point outside a circle exactly tangents can b...

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  3. Fill in blanks- The tangent at any point of a circle is to the radiu...

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  4. A point P is 25 cm from the center of a circle. The radius of the circ...

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  5. A point P is 20 cm from the center of a circle.The radius of the circl...

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  6. A tangent PQ at a point P of a circle of radius 7 m meets a line throu...

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  7. From a point Q, the length of the tangent to a circle is 24 cm and the...

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  8. In Fig., if TP and TQ and two tangents to a circle with centre O so th...

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  9. If tangents PA and PB from a point P to a circle with centre O are inc...

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  10. Prove that the tangents drawn at the ends of a diameter of a circle ar...

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  11. Prove that the angle between the two tangents drawn from an external p...

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  12. Prove that the parallelogram circumscribing a circle is a rhombus.

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  13. A triangle ABC is drawn to circumscribe a circle of radius 4 cm such t...

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  14. In the figure, two circles touch each other externally at C. Prove tha...

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  15. If a rectangle be circumscribed about a circle prove that it is a squa...

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  16. In fig., two circles with centres O, O' touch externally at a point A....

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  17. Two circles touch externally at a point P. From a point T on the tange...

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  18. Two tangents TP and TQ are drawn to a circle with centre O from an ext...

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