If you remove a knob from a kitchen appliance, you may notice that the hole is not completely round. An example of this can be seen in the image below. Suppose the flat edge is 4 mm long and the distance from the curved edge to the flat edge is about 4.25 mm. Find the radius of the circle containing the hole. The Image can be found here :http://teacher.education2020.com/EVresources/647-11-07-00-00_files/i0250000.jpg

a. about 3.0 mm c. about 3.2 mm
b. about 2.6 mm d. about 2.9 mm

Question

If you remove a knob from a kitchen appliance, you may notice that the hole is not completely round. An example of this can be seen in the image below. Suppose the flat edge is 4 mm long and the distance from the curved edge to the flat edge is about 4.25 mm. Find the radius of the circle containing the hole.  The Image can be found here :http://teacher.education2020.com/EVresources/647-11-07-00-00_files/i0250000.jpg

a. about 3.0 mm                 c. about 3.2 mm
b. about 2.6 mm                 d. about 2.9 mm

anonymous · Answer

Here's the same image but just posted here: