Answer:
im not sure but i think it is -7
Step-by-step explanation:
i think so just because looking at the top example but i might be wrong
The last two are correct: “If I know the measures of Angles C and B, I can find the angles of A and D.” and “If I know the measure of angle A, I can find the measure of angle D by subtracting from 180”
Hope that helps: )
The answer is true since the triangles are similar on all lengths and angles