Given δabc is similar to δdef, calculate the value of bc.

Acircle has a circumference of 28.36 units what is the diameter of the circle

The area of a circle is equal to 1 dm². find the radius of the circle.

Meghan has created a diagram of her city with her house, school, store, and gym identified. a. how far is it from the gym to the store? b. meghan also wants to walk to get some exercise, rather than going to the gym. she decides to walk along arc ab. how far will she walk? round to 3 decimal places.