Sample questions with circles

For the following 4 questions you have to find these 4 pieces of information. You need to find the Diameter, Radius, Circumference and Area.

Circle#1













Circle #2













Circle #3










Circle #4










Answers to the questions
Question #1 D = 8cm, R = 4cm, C =25.12cm, A = 50.24cm²

Question #2 D = 13m, R=6.5m, C=40.82m, A = 132.665m²

Question #3 D = 19cm, R = 9.5cm, C = 59.66cm, A = 283.385cm²

Question #4 D = 10m, R = 5m, C = 31.4m, A= 78.5m²