In ` A B C ,A(2pi)/3,b-c=3sqrt(3)c m` and area of ` A B C=(9sqrt(3))/2c m^2,t h e nB C=` `6sqrt(3)` (b) `9c m` (c) `18 c m` (d) `27 c m`

In a A B C ,A=(2pi)/3,b-c=3sqrt(3)c m and area ( A B C)=(9sqrt(3))/2c m^2dot then ' a ' is

In A B C ,A=(2pi)/3,b-c=3sqrt(3)c m and area of A B C=(9sqrt(3))/2c m^2,t h e n (a) 9c m (b) 18 c m (c) 27 c m

In a A B C ,A=(2pi)/3,b-c=3sqrt(3)c m and area ( A B C)=(9sqrt(3))/2c m^2dot then ' a ' is 6c m b. 9c m c.18c m d. none of these

In Figure, if A P=10 c m , then B P= (a) sqrt(91)c m (b) sqrt(127)c m (c) sqrt(119)c m (d) sqrt(109)c m

Medians of A B C intersect at G . If a r\ ( A B C)=27\ c m^2, then a r\ ( B G C)= (i) 6\ c m^2 (b) 9\ c m^2 (c) 12\ c m^2 (d) 18 c m^2

The height of an equilateral triangle is sqrt(6)\ c mdot Its area is (a) 3sqrt(3)\ c m^2 (b) 2sqrt(3)\ c m^2 (c) 2sqrt(2)\ c m^2 (d) 6sqrt(2)\ c m^2

If area of an equilateral triangle is 3sqrt(3)\ c m^2, then its height is (a)3 cm (b) sqrt(3)\ c m (c)6 cm (d) 2sqrt(3)\ c m

Medians of A B C intersect at G . If a r\ ( A B C)=27\ c m^2, then a r\ ( A B G C)= 6\ c m^2 (b) 9\ c m^2 (c) 12\ c m^2 (d) 18 c m^2

A B C D is a rectangle with O as any point in its interior. If a r ( A O D)=3 c m^2a n d a r ( B O C)=6 c m^2, then area of rectangle A B C D is: 9c m^2 (b) 12 c m^2 (c) 15 c m^2 (d) 18 c m^2

A B C D is a square of side 4 cm. If E is a point in the interior of the square such that C E D is equilateral, then area of A C E is (a) 2(sqrt(3)-1)c m^2 (b) 4(sqrt(3)-1)c m^2 (c) 6(sqrt(3)-1)c m^2 (d) 8(sqrt(3)-1)c m^2