Frank ICSE Solutions for Class 9 Maths – Trigonometrical Ratios of Standard AnglesEx No: 27.1 Solution 1. Solution 2. Solution 3a. Solution 3b. Solution 3c. Solution 3d. Solution 4a. Solution 4b. Solution 4c. Solution 4d. Solution 4e. Solution 4…

Frank ICSE Solutions for Class 9 Maths – Surface Areas and Volume of SolidsEx No: 25.1Solution 1. Solution 2. Solution 3. Solution 4. Solution 5. Volume of a cuboid = l x b x h 2400 = 20 × 15 × h h = 8 cm Hence, height of the cuboid is 8 cm. Solution …