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In an triangle, ABC, if A=60^(@),B=45^(@...

In an triangle, ABC, if `A=60^(@),B=45^(@)` and `a=2sqrt(3)` units then, b=

A

`2sqrt(2)` units

B

`3sqrt(2)` units

C

1 unit

D

none of these

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The correct Answer is:
A
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Knowledge Check

  • If in triangle ABC,angle A=60^@ , angle B=45^@ and a=2sqrt3 units then the value of b is

    A
    a)`sqrt2units`
    B
    b)`2sqrt2` units
    C
    c)2 units
    D
    d)`1/sqrt2` units

  • If in a triangle ABC, angleB=60^@, then

    A
    `(a-b)^2=c^2-ab`
    B
    `(a-b)^2=b^2-ab`
    C
    `(c-a)^2=b^2-ac`
    D
    `a^2+b^2+c^2=ac`

  • If in a triangle ABC, A=45^(@) , B=75^(@), then the value of (a+sqrt2c) is-

    A
    b
    B
    3b
    C
    2b
    D
    4b

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    In triangleABC, angleA=60, b = sqrt(3)+1 and c = sqrt(3)-1 then the value of tan ((B-C)/2) is-

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    Construct a triangle ABC, in which angleB =60^(@),angleC=45^(@) and AB + BC + CA = 11 cm.

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