I hope this is what you're looking for. Sorry for my writing, I did it with the mouse lol.
The slope of AC is -0.4
Proof:
In triangles ABC and DBE,
∠DBE is common to both triangles.
AB = 2DB (D is the midpoint of the interval AB)
Also, BC = 2BE (E is the midpoint of the interval BC)
Thus triangles ABC and DBE are similar in the ratio 2:1
Since, they are similar, ∠BDE must equal ∠BAC (corresponding angles in similar triangles)
If ∠BDE = ∠BAC, DE must be parallel to AC (corresponding angles are equal along parallel lines)
Thus, the slope of AC = the slope of DE
Thus, the slope of AC is -0.4
Answer:
-i(6/7)√2
Step-by-step explanation:
Answer:
Sirius will be 20 years old and his father will be 40 years old. ratio form: 20:40
Step-by-step explanation:
hope this helps
