## rectilinear figure, Mathematics

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In a parallelogram ABCD AB=20cm and AD=12cm.The bisector of angle A meets DC at E and BC produced at F.Find the length of CF.

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#### Life mathametics, 20% of the total quantity of oil is 40 litres find the to...

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area and perimetre of semi circle

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I had just come back from a very interesting talk arranged by a Mathematics Centre, it was aimed at parents of primary school-going children. They had talked about, and demonstrate

#### Precalculus, Find the standard form of the equation of the parabola with a ...

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a triangle with side lengths in the ratio 3:4:5 is inscribed in a circle of radius 3.what is the area of the triangle.

#### Theory of numbers, show that all primes except 2, are of the form 4n-1 or 4...

show that all primes except 2, are of the form 4n-1 or 4n+1