radii using a compass. Directions: Read each item carefully. Encirclethe letter of your choice. 1. What is the radius of a circle having a diameter of 7 cm? a. 12 cm b. 3 cm c. 3.5 cm d. 6 cm 2. Aling Claring has All of these tasks require the use of a compass EXCEPT: a. Drawing a circle with a radius of 5 cm b. Copying a given angle on a piece of paper c. Computing the product of two or more numbers d. Drawing concentric circles with 4, 5, and 6 cm radii 3. Which of the following is an instrument used to draw a circle? a. compass b. protractor c. ruler d. straight edge 4. How many degrees are there when a compass makes a half circle?