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In a right angled triangle PQR, PR is th...

In a right angled triangle PQR, PR is the hypotenuse of length 20 cm, `anglePRQ=30^(@)`, the area of the triangle is

A

`100 sqrt3 cm^2`

B

`100//sqrt3 cm^2`

C

`50 sqrt3 cm^2`

D

`25 sqrt3 cm^2`

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CHAMPION PUBLICATION-2014 TIER-II PAPER(19)-EXERCISE
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  2. If sin(theta+30^@)=3/sqrt12 then the value of cos^2 theta is यदि si...

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  3. In a right angled triangle PQR, PR is the hypotenuse of length 20 cm, ...

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  4. If 0lethetale90^@ and 4 cos^2 theta-4 sqrt3 cos theta+3=0, then the va...

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  5. If y = 3:2, then value of (x + y )/(x - y) is :

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  6. If 50% of x=30% of y then x : y is :

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