n this diagram the circle centre O has a radius OD with length R cm. OD is perpendicular to the chord AB.   If AB = 2r cm and CD = h cm, express h in terms of R and r.

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Q: B. F

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Q: 9. A 29 B 38 C Use t mLA

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A: We will show how the triangle XYZ is an equilateral triangle as following

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A: Equilateral triangle GHJ can be drawn asGH=5x-13HJ=11x-61GJ=7x-29

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Q: G

A: We can find the answer as below

Q: -20 -10 -20- 10- --10- -20- -30- (0, -16) 10 20

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Q: 1. Write the gtand ard equation of a circle given eenter (1,3) and point on the circle (-4,15),"

A: The general equation of a circle is given by . Where, -g, -f is the centre of the circle.

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Q: 30. Let A=(-3,2) angled triangle. B = (1,0), and C=(4,6). Prove that AABC is a right- >

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