angles. Starting... Getting there... Got it! Lesson 13.2 Checkpoint Once you have completed the above problems and checked your solutions, complete the Lesson Checkpoint below. Complete the Lesson Reflection above by circling your current understanding of them. Find the unknown length x in each right triangle, to the nearest tenth. 1. The figure below is a springboard that is used at a trampoline center. The length of the trampoline board is 15 ft. How tall is the ramp overall? Use the dotted line to find the height. 16 15 ft lode w 2. Find the angle measure of the following, to the nearest degree. a. m2U b. mzw 11 W 15