Answer: B
Step-by-step explanation: I hope I am good at math if not sorry
Answer:
80 degrees
Step-by-step explanation:
all triangles have the angles of 180 degrees, so by that logic, 180-70-30=80.
180 mins to walk 12 miles :)
Answer:
B=45
Step-by-step explanation:
let the supplamentary angle of <A is <d
180-A=d
180-135=d
45=d
90+d+B=180
90+45+B=180
135+B=180
B=180-135
B=45