Answer :

By properties of parallel lines and triangles, the measure of the angle RSP is equal to 49°.

How to find the value of a variable associated angles within a geometric system

In this problem we find a geometric system formed by two triangles. By alternating internal angles, the angles QRP and RPS are congruent. Thus:

5 · y + 14 = 8 · y - 13

3 · y = 27

y = 9

The sum of the measures of internal angles in triangles are always equal to 180°:

(8 · y - 13) + 3 · x + (2 · x + 1) = 180

8 · y + 5 · x - 12 = 180

8 · y + 5 · x = 192

5 · x = 192 - 8 · y

x = (192 - 8 · y) / 5

x = (192 - 8 · 9) / 5

x = 24

Lastly, the measure of the angle RSP is equal to:

m ∠ RSP = (2 · 24 + 1)

m ∠ RSP = 49°

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Rewritten by : Barada

Final answer:

When parallel lines are cut by a transversal, several angles are formed. These include corresponding angles, alternate interior angles, alternate exterior angles, and consecutive interior angles. Understanding these angle relationships can help solve problems involving parallel lines and transversals.

Explanation:

When parallel lines are cut by a transversal, several angles are formed.

  1. Corresponding angles: These are the angles that are on the same side of the transversal and in the same position relative to the parallel lines.
  2. Alternate interior angles: These are the angles that are on opposite sides of the transversal and inside the parallel lines.
  3. Alternate exterior angles: These are the angles that are on opposite sides of the transversal and outside the parallel lines.
  4. Consecutive interior angles: These are the angles that are on the same side of the transversal and inside the parallel lines, but not in the same position relative to the parallel lines.

Understanding these angle relationships can help solve problems involving parallel lines and transversals.

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