Chang knows one side of a triangle is 13 cm. Which set of two sides is possible for the lengths of the other of this triangle?
• 5 cm and 8 cm 8
• 6 cm and 7 cm 7
• 7 cm and 2 cm
•
8 cm and 9 cm

Sketch one cycle if the cosine function y=2cos2theta

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.

Type the correct answer in the box. use numerals instead of words. if necessary, use / for the fraction bar.