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If A=45^o then find the value of tan2A....

If `A=45^o` then find the value of `tan2A`.

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NCERT TELUGU-QUADRILATERALS-EXERCISE
  1. In the adjacent figure ABCD is a parallelogram angle A=50^@ and angle ...

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  2. In /\ABC, bar(AD) and bar(BE) are the midpoints of bar(BC) and bar(AC)...

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  3. ABCD is a trapezium in which AB||CD. P and Q are midpoints of bar(AD) ...

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  4. In a figure bar(PQ)|/|bar( BC) and P, Q are midpoints of bar(AB), bar(...

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  5. Fill in the Blanks :A figure formed by joining the mid points of a par...

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  6. Fill in the Blanks:If the mid-points of the sides of a square are join...

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  7. Fill in the Blanks:The sum of four angles in a quadrilateral isright a...

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  8. Fill in the Blanks:In a parallelogram PQRS, the bisectors of consecuti...

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  9. The angles of a quadrilateral are in ratio of 2:3:4:6. Find the measur...

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  10. A parallelogram in which two adjacent sides are equal is a ……….

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  11. Fill in the Blanks:The diagonals of a rhombus divide it into congruent...

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  12. Fill in the Blanks:The diagonals of a rectangle are of

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  13. Fill in the Blanks:The diagonals of a square are equal andeach other.

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  14. Fill in the Blanks:The ratio of areas of a triangle and 9 par allelogr...

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  15. ABCD is a parallelogram and P is a point of bar(CD). Show that ar(/\AB...

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  16. If A=45^o then find the value of tan2A.

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  17. In a parallelogram ABCD, angleABC=50^@.Find the other angles.

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  18. The four angles of a quadrilateral is in the ratio of 2: 3:5:8. Find t...

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  19. If the sum of two adjacent sides of a parallelogram is 32 cm. Find its...

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  20. In triangleKLM, P is the midpoint of KL. such that KP = 1/4KL and Q is...

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