Help on this question please?

Angel entered a triathlon (a three-part race). he swam 1 mile, rode his bike 30 miles, and ran 10 miles. how far did he go altogether? a. 11 miles b. 123 miles c. 41 miles d. 40 miles

One of the same side angles of two parallel lines is 20° smaller than the other one. find the measures of these two angles.

Given: m∠ adb = m∠cdb ad ≅ dc prove: m∠ bac = m∠bca lol