In a triangle the length of the side opposite the angle which measures 30 degree is 9√3 cm, what is the length of the side opposite to the angle which measures 60 degree?
1). 27 cm
2). 9 cm
3). 12√3 cm
4). (15√3)/2 cm
4. The area of a circle of radius 5 is numerically what percent of its circum ference
6. If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is :
8. The length (in cm) of a chord of a circle of radius 13 cm at a distance of 12 cm from its centre is