Mark the correct alternative in each of the following:
If and points are collinear, then a is equal to

Question

Mark the correct alternative in each of the following: If and points are collinear, then a is equal to

Philoid · Accepted Answer

A (, B () & C () are collinear,

Then

Comparing the LHS & RHS of the above mentioned equation,

-80 = a – 40

a = 40 – 80

a = -40

Option (B) is the answer.

Mark the correct alternative in each of the following:If and points are collinear, then a is equal to