Answer:
Step-by-step explanation:
ab=ab (common)
angle d = angle c (isosceles prperty)
angle a = angle a (common)
there for the triangle is congruent so sides are congruent by CPCT
X - 1 is not null => x is not 1 => D = R - {1};
Answer:
y = -7/4x
Step-by-step explanation:
This is correct because to find the perpendicular, you need to find the opposite reciprocal of the slope. In this case, the slope is 4/7, so the opposite reciprocal is -7/4.
