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In Delta ABC, /B = 90^@ If AB = BC then ...

In `Delta ABC, /_B = 90^@` If `AB = BC` then prove `/_C= 45^@`

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CALCUTTA BOOK HOUSE-SAMPLE QUESTIONS PAPERS-QUESTION
  1. 2sqrtpi is a quadratic surd.

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  2. If the ratio of three sides of a triangle be 3:4:5, then the triangle ...

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  3. In Delta ABC, /B = 90^@ If AB = BC then prove /C= 45^@

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  4. The volume of a right circular cone remains the same when its radius o...

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  9. If a/2=b/3 =c/4 =(3a-ab+4c)/p, then find the value of p.

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  10. Simplify : sqrt2 - sqrt(18) + sqrt(27) - sqrt(32)

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  14. The lengths of sides of three cubes are 3 m, 4 m 5 m respectiveluy. A ...

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  15. If 0^@ lt theta lt 90^@ , then find the least value of (9 tan^2 theta ...

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  16. Fing the value of tan 1^@ tan2^@ tha^@ ……………. Tan89^@.

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  19. Puja, Uttam and Bireendra started a pertnership business with capital ...

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  20. Solve : 1/x - 1/(x+b)= 1/a -1/(a+b)[ x ne 0, -b]

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