Quiz: quiz 1 (sections 1.1,1.2) this caeston: 1 рі 9 of 9 (8 comp complete parts a) through c) below a) construct a triangle and measure the three interior angles with a protractor. what is the sum of the measures? the sum of the measures of the interior angles is (type a whole number.) b) construct three other triangles, measure the angles, and record the sums. are the answers the same? ο o nο yes c) make a conjecture about the sum of the measures of the three interior angles of a triangle. the sum of the measures of the interior angles of a triangle is lº click to select your answer(s).