The measure of one angle of a triangle is 55 degrees. the measure of the third angle is 20 degrees more than twice the second angle. all three angles of a triangle must add to 180 degrees. find the measures of the second and third angels.

An arc subtends a central angle measuring 7pi/4 radians what fraction of the circumference is this arc?

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.

Last month, leonhard euler's watch kiosk at the mall had total sales of $9,489. merchandise totaling $225 was returned. the goods that were sold cost leonhard euler's $5,481. operating expenses for the moth were $992. what was the gross profit on sales?