Calculate Angle B: Parallel Lines and 100° Angle Problem

Question

Lines a and b are parallel.

Calculate the size of angle B.

aaabbb100B

Video Solution

Solution Steps

00:04 Let's find angle B.
00:09 It is a supplementary angle to a straight line.
00:14 Now, we'll isolate angle B to solve.
00:27 And there you have it! We've solved the question.

Answer

80 80

More Questions

Related Subjects

Angles In Parallel Lines Collateral angles Adjacent angles Vertically Opposite Angles Alternate angles Corresponding angles Corresponding exterior angles Alternate interior angles

Question Types

Angles in Parallel Lines: Generate a random angle