1. In the adjacent figure, AB and CD are common tangents to two circles of unequal radii. Prove that AB = CD.
2. In the figure, a square is inscribed in a circle of diameter 14 cm and another square is circumscribing the circle. Find the ratio of the area of the outer square to the area of the inner square. 3. A number 'x' is chosen from the numbers - 3, - 2, -1, 0, 1, 2. Find the probability that x2 les than equal to 4. 4. If the point (x, y) is equidistant from the points (a - b, a +b) and (- a - b, a + b), prove that x- a = 0. 5. If the roots of the equation (a2 + b2 )x2 - 2(ac + bd)x + (c2 +d2 ) = 0 are equal, then prove that a/b = c/d
10 Comments
raghuveer
10/2/2016 06:22:40 am
please upload 10 cbse maths original sa 2 2016 question paper
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rajesh
10/2/2016 06:31:10 am
plz upload 10 cbse sa 2 science original question papers of 2016 board exam
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rv
14/2/2016 09:03:56 am
plzzzzzzzzzzzzzzz. update sahodaya question papers of class 10 cbse
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Aishwarya
26/2/2016 11:05:00 am
No figure for the 9th question .. please upload
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Essa
9/3/2016 12:21:47 am
2015-16 SA2 class 10 science board paper
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tina
16/9/2016 05:22:46 pm
please upload maths paper of sa1 2016-17
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