Question

please solve all the questions in the attachment ​

Answer 1

Answer:

3. a. x-130°, y-60°

b. x-70°, y-140°

4. a. a-60°

b. a-50°

c. a-24°

5. a. x-120°, a-120°, b-60°, c-75°, d-105°; sum= 360°

b. x-110°,a-110°, b-85°, c-70°, d-70°; sum= 445°