Question

Question content area top
Part 1
Error Analysis  The diameter of the circle is 18 m. Eugene incorrectly says that the circumference of the circle is about 113.04 m. What is the circumference of the​ circle? What mistake did Eugene ​make? Use 3.14 for pi.
Question content area bottom
Part 1
The circumference of the circle is about
  
56.52 m.
​(Type an integer or decimal rounded to the nearest hundredth as​ needed.)
Part 2
What mistake did Eugene ​make?
A.
Eugene used 36 instead of 18 for diameter.
B.
Eugene squared the diameter.
C.
Eugene did not multiply by 3.14.
D.
Eugene used 9 instead of 18 for diameter.

Answer 1

Part 1: C = πd = 3.14(18) = 56.52 m.

Part 2: A. Eugene used 36 instead of 18 for the diameter (3.14 × 36 = 113.04).