Math Problem Statement
the diameter of a cricle is 80 cm, its radius is 40cm
Solution
Yes, the diameter of a circle is twice the radius. Since the diameter is given as 80 cm, the radius will be:
This confirms the radius is indeed 40 cm.
Would you like to go into more details or have any questions?
Here are some related questions for further exploration:
- What is the circumference of the circle with a diameter of 80 cm?
- How do you calculate the area of a circle with this radius?
- What would the radius be if the diameter was doubled?
- If the radius was decreased by 10 cm, what would the new diameter be?
- How does the area of a circle change if the radius is doubled?
Tip: The formula for the circumference of a circle is .
Ask a new question for Free
By Image
Drop file here or Click Here to upload
Math Problem Analysis
Mathematical Concepts
Geometry
Circles
Formulas
Diameter = 2 × Radius
Circumference = π × Diameter
Area = π × Radius^2
Theorems
The relationship between the diameter and radius of a circle
Suitable Grade Level
Grades 6-8