Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 Quantitative Aptitude Mensuration Solid Figures
Find the total surface area of a cone, if its slant height is 28 cm and the diameter of its base is half of the slant height.
1
700 cm2
2
770 cm2
3
777 cm2
4
767 cm2