Practice Problems on Pi
Q1. What is the volume of a cylinder with a radius of 44 cm and a height of 10 cm? Use π = 3.14
Q2. Find the length of an arc of a circle with radius 99 cm and central angle 45∘. Use π = 3.14
Q3. Calculate the surface area of a sphere with a radius of 66 inches. Use π = 3.14
Q4. Determine the volume of a hemisphere with a radius of 10 cm. Use π = 3.14
Q5. What is the area of a sector of a circle with a radius of 15 cm and a central angle of 120∘? Use π = 3.14
Q6. Find the total surface area of a cone with a radius of 8 cm and a slant height of 12 cm. Use π = 3.14
Pi Formulas
Pi formulas are used to calculate the value of Pi(π). If the circumference and diameter of a circle are known, we can use them to compute the value of Pi(π). Pi is a Greek letter whose sign is π, and it is the ratio of the circumference of any circle to its diameter in geometry.