Raghu wants to make a closed aluminium cone for his science project. The slant height and radius of the cone are 10 cm and 7 cm respectively. The area of aluminium sheet required to make the cone is [Use π=227]

Raghu wants to make a closed aluminium cone for his science project. T

1.	Raghu wants to make a closed aluminium cone for his science project. The slant height and radius of the cone are 10 cm and 7 cm respectively. The area of aluminium sheet required to make the cone is [Use π=227]
Answer» Raghu wants to make a closed aluminium cone for his science project. The slant height and radius of the cone are $10 c m$ and $7 c m$ respectively. The area of aluminium sheet required to make the cone is [Use $π = \frac{22}{7}$ ]