A triangle has the vertices of A(0,0), B(4,4), and C(8,0). Answer the following questions. 1. Find the coordinates of the circumcenter of △ABC
2. What is the radius of the circle that can be drawn through points A, B, and C?
3. Classify △ABC according to its side length.

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)

25 ! i need asap! ! ill mark brainliest!

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction