Angular measure of a circle: 2*pi radians.
Circumference of a circle with diameter d units: d*pi units
Heron's formula
A cylinder has two circles as its bases.
Are congruent circles.
Any two non-overlapping circles.
Congruent circles
Geometry and art are two possibilities.
yes
With two circles you can get 8 and ∞.
A rectangle and two circles.
Heron's formula
Pulmonary is an adjective meaning pertaining to the lungs. Respiratory can also be used, but refers to the system of breathing generally rather than the lungs specifically.
A cylinder has two circles as its bases.
Concentric circles.
a cylinder has two faces that are circles
The ratio of two circles to three triangles is not a straightforward comparison as circles and triangles are different shapes. However, if we are comparing the areas of two circles to the combined areas of three triangles, we would need to calculate the area of each shape using their respective formulas (πr^2 for circles and 1/2 base x height for triangles) and then compare the total areas. The ratio would then be the total area of the circles divided by the total area of the triangles.
Concentric circles
congruent circles