# In the diagram, what is the measure of WRS?

**Solution:**

A straight line is an infinite length line that does not have any curves on it.

A straight line can be formed between two points also but both the ends extend to infinity.

Given a figure where TRS is 25x + 30

We know that the angle at a __straight line__ is 180.

Let us assume angle WRS as y.

So, TRS + WRS = 180

25x + 30 + y = 180 — (a)

Also given that VRT is 5x

We have another straight line VRS

5x + 25x + 30 = 180

30x + 30 = 180

30x = 180 - 30 = 150

x = 5

Therefore, WRS = y = 180 - (25(5) + 30) = 180 - 155 = 25

## In the diagram, what is the measure of WRS?

**Summary:**

In the diagram, the measure of WRS is 25.

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