Question
The lens of a telescope has a radius of 4 feet. What is the lens's area?
Use 3.14 for 𝜋. If necessary, round your answer to the nearest hundredth.
square feet
Use 3.14 for 𝜋. If necessary, round your answer to the nearest hundredth.
square feet
Answers
GPT 3.5
The formula for the area of a circle is A = πr^2, where r is the radius of the circle.
Given that the radius of the lens is 4 feet, we can plug this into the formula:
A = π(4)^2
A = π(16)
A = 16π
Since we are asked to use 3.14 for π, we can calculate the area:
A = 16(3.14)
A = 50.24
Therefore, the area of the lens is approximately 50.24 square feet.
Given that the radius of the lens is 4 feet, we can plug this into the formula:
A = π(4)^2
A = π(16)
A = 16π
Since we are asked to use 3.14 for π, we can calculate the area:
A = 16(3.14)
A = 50.24
Therefore, the area of the lens is approximately 50.24 square feet.