The answer is 2.5 because the point is on -1.5, so -1.5+4=2.5
First is 7 second is 8 third is 3
Answer:
90°
Step-by-step explanation:
Interior angles of ALL triangles sum to 180°
The whole large triangle has angles 60 60 60 ( they sum to 180)
that means x = 30
then the small triangle on the right has 60 + 30 + y = 180
meaning y = 90 °
