Explain why is equal to the sum of the measures of the two nonadjacent interior angles. **What is the name of the property?***

Elena and her husband marc both drive to work. elena's car has a current mileage (total distance driven) of 15,000 and she drives 23,000 miles more each year. marc's car has a current mileage of 46,000 and he drives 9,000 miles more each year. will the mileages for the two cars ever be equal? explain.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

Which statements regarding efg are true? check all that apply.