The answer would be <span>x - 5y = 10 and 4x + 3y = 9 so choice 2.</span>
Answer:
Step-by-step explanation:
Given
Perpendicular to
Required
Determine the line equation
An equation has the form
Where
By comparison with
Because the line is perpendicular to , the following relationship exists
i.e. the condition for perpendicularity
Where m1 is the slope of the equation that passes through
So, we have:
The line equation is then calculated using:
Where
So, we have:
Add 11 to both sides
<em>The B, C and D parts of your question are not clear.</em>
<em>Apply the same steps used in (a) above and you'll get your answers</em>
Step-by-step explanation:
<AOF and <COD are vertical angles.
m<AOF = m<COD = 80°
Angle Addition Postulate m<BOF - m<AOF = m<AOB
m<AOB = 135° - 80° = 55°