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Answer any One question : If a quadrilateral ABCD is circumscribed about a circle with centre O, prove that AB + CD = BC + DA.

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UNITED BOOK HOUSE-QUESTION PAPER 2019-Exercise
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  4. Answer any One question : If (3x - 2y) : (x + 3y) = 5 : 6, then find ...

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  5. If b+c-a/x+y-x = c+a-b/c+x-y = a+bc/x+y-z, then prove that a/x = b/y =...

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  6. Answer any One question : prove that semicirular angle is a right ang...

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  7. If two circles touch each other externally then the point of contact w...

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  8. Answer any One question : If a quadrilateral ABCD is circumscribed ab...

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  9. If in ABC,A is right angle and BP and CQ are two medians, then prove t...

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