Math Problem Statement

Solve for angles based on parallel lines and linear pair relationships.

Solution

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7. Given:

  • EFGH\overrightarrow{EF} \parallel \overrightarrow{GH}
  • mFGJ=43m \angle FGJ = 43^\circ
  • mHGI=xm \angle HGI = x

Problem: Find xx

Since EFGH\overrightarrow{EF} \parallel \overrightarrow{GH}, and FGJ\overrightarrow{FGJ} and HGI\overrightarrow{HGI} are on the transversal line:

  • FGJ\angle FGJ and HGI\angle HGI are corresponding angles.
  • By the Corresponding Angles Postulate, mFGJ=mHGIm \angle FGJ = m \angle HGI.
  • Therefore, x=43x = 43^\circ.

8. Given:

  • ABC\overrightarrow{ABC} and DEF\overrightarrow{DEF} are on a line, forming a linear pair.
  • mABC=67m \angle ABC = 67^\circ
  • mEBD=xm \angle EBD = x

Problem: Find xx

Since ABC\overrightarrow{ABC} and DEF\overrightarrow{DEF} are on a straight line, the angles ABC\angle ABC and EBD\angle EBD form a linear pair. Linear pairs add up to 180180^\circ:

  • x+67=180x + 67^\circ = 180^\circ
  • Therefore, x=18067=113x = 180^\circ - 67^\circ = 113^\circ.

9. Given:

  • MNMN and RSRS intersect at point TT.

There isn't a specific question provided here, but if you need more details or a specific query solved, feel free to ask!


Would you like any further details or have any additional questions? Here are 5 related questions to consider:

  1. How do we determine angles in parallel lines cut by a transversal?
  2. What is the significance of corresponding angles in geometry?
  3. How do linear pairs differ from supplementary angles?
  4. Can two non-adjacent angles form a linear pair?
  5. How can you find the angle sum of any polygon?

Tip: When dealing with parallel lines, always look for angle relationships like corresponding, alternate interior, or same-side interior angles. These relationships often simplify the problem significantly.

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Math Problem Analysis

Mathematical Concepts

Geometry
Angles
Parallel Lines
Linear Pairs

Formulas

Sum of angles on a straight line: 180 degrees
Corresponding Angles Postulate

Theorems

Corresponding Angles Postulate
Linear Pair Theorem

Suitable Grade Level

Grades 8-10