25. Exemplar Exercise Problems IX

1. A solid ball is exactly fitted inside the cubical box of side a. The volume of the ball is \(\frac{4}{3}πa^3\). FalseTrue

 

2. The volume of frustum of cone is \(\frac{1}{3}\frac{\pi}{h}[r_1^2+r_2^2-r_1r_2]\), where \(h\) is the vertical height of the frustum and \(r_1,r_2\) are the radii of the ends TrueFalse