Question

Streets A and B run parallel to each other. The measure of angle <6 is 155º. The measure of angle <5 is 25 degrees Find the measure of angle <4.

Answer 1

`<4 = 25`

Explanation:

Given

`<6 = 155`

`<5 = 25`

See attachment for figure

Required

Find
`<4`

From the attachment: <4 and <6 are interior angles

So:

`<4 = 180 -<6`

This gives:

`<4 = 180 -155`

`<4 = 25`