Statements Reasons 1. circle cap o has diameter LN― and inscribed angle LMN 1. given 2. overarc LKN is a semicircle 2. diameter circle divides into 2 semicircles 3. circle cap o measures 360 degrees 3. measure of a circle is 360 degrees 4. m overarc LKN is equal to 180 degrees 4. definition of semicircle 5. m angle LMN is equal to 90 degrees 5. ? 6. angle LMN is a right angle 6. definition of right angle What is the missing reason in step 5?