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A circle touches all the four sides o...

A circle touches all the four sides of a quadrilateral `A B C D` . Prove that: `A B+C D=B C+D A` .

A

BC + DA = AB + CD

B

ABCD is a rectangle

C

ABCD is square

D

None of these

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A
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ADVANCED MATHS BY ABHINAY MATHS ENGLISH-CIRCLE -MUTLIPLE CHOICE QUESTIONS
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  2. The in circle of Delta ABC touches the sides BC, CA and AB at D, E and...

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  3. A circle touches all the four sides of a quadrilateral A B C D . Pr...

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  4. A circle is inscribed in Delta PQR having sides 8 cm, 10 cm and 12 cm....

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  5. Two tangents T P and T Q are drawn to a circle with centre O fro...

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  6. P Q is a chord of length 8 cm of a circle of radius 5 cm. The tange...

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  7. In a circle, PQ and RS are two parallel tangents at A and B. The tange...

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  8. In the given figure O is the centre of the circle. If AE = 4 cm, EB = ...

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  9. In the given figure, PT is the tangent of a circle with centre O at po...

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  10. O is the centre on the circle. PA and PB are tangent segments. Then th...

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  11. Circles C(o, r) and C(O^(1), (r)/(2)) touch internally at a point A an...

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  12. In two Concentric circles, AB and CD are two chords of the outer circl...

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  13. Two circles with centres A and B of radii 3 cm and 4 cm respectively i...

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  14. The radii of two circles are 5 cm and 12 cm. The area of a third circl...

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  15. Type V: O is the center of the circle of radius 5cm. T is a point such...

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  16. PQ is tangent at a point R of the circle with centre O. If ST is a dia...

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

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  18. In Figure, there are two concentric circles with centre O of radii 5 c...

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  19. In Fig. 10.59, A B is a chord of length 16cm of a circle of radi...

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  20. If the given figure, AB is diameter of the circle, C and D lie on the ...

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