A cone has a base radius of 5 cm and a height of 12 cm. What is the total surfac
Practice Questions
Q1
A cone has a base radius of 5 cm and a height of 12 cm. What is the total surface area of the cone?
130 cm²
150 cm²
180 cm²
200 cm²
Questions & Step-by-Step Solutions
A cone has a base radius of 5 cm and a height of 12 cm. What is the total surface area of the cone?
Surface Area of a Cone – The formula for the total surface area of a cone includes the base area and the lateral surface area, requiring knowledge of both geometry and the Pythagorean theorem.
Pythagorean Theorem – Understanding how to calculate the slant height (l) using the Pythagorean theorem is crucial for solving the problem correctly.