Question

Please explain the answer to (7) using a minimum of 5-7 sentences, written out in words. YOU DO NOT NEED TO SOLVE CA10D. I only included it as a reference to what is asked in (7).

7.丌1n your own words, give a clear, logical expla- nation for why the angles in a triangle must al- ways add to 180°. Do not use the "putting angles together" method of Class Activity 10D. 25 10.1 Lines and Angles CA-203 Class Activity 10D How Are the Angles in a Triangle Related? CCSS CCSs SMP3, 8.G.5 You will need a ruler and scissors for this activity. Work with a group of people. Each person in your group should do t he following: Using a ruler, draw a large triangle that looks different from the triangles of other group members. Cut out your triangle. Label the three angles a, b, and c. 1. T'ear or cut all 3 corners off your triangle. Then put the angles together vertex to vertex, without overlaps or gaps. What do you notice? What does this show you about the an- gles in the triangle? Cut off the corners Put the angles together. 3. Discuss why the "putting the angles together" method of part 2 is not a proof. Consider these points: . Does the method show exactly how the angles are related? . Has every triangle been considered?

Answer 1