If the measure of ∠1 is 50°, what is the measure of ∠8?

The sum of two numbers is 86, and their difference is 20. find the two numbers

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

The first side of a triangle measures 5 in less than the second side, the third side is 3 in more than the first side, and the perimeter is 17 in. how long is the third side? if s represents the length of the second side, which of the following represents the length of the third side? s-5 ws-2 s+ 3 next question ask for turn it in