What's the radius and diameter of a circle with a circumference of 20π pi circumference=2πr
diameter=2r

How do i do this activity, is appreciated

Acircle has a radius of 5/6 units and is centered at (3.6, 7.8) write the equation of this circle

Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.