In a triangle, if one angle measures 50 degrees and the other two angles are equ

Practice Questions

Q1
In a triangle, if one angle measures 50 degrees and the other two angles are equal, what is the measure of each of the equal angles?
  1. 65 degrees
  2. 70 degrees
  3. 80 degrees
  4. 90 degrees

Questions & Step-by-Step Solutions

In a triangle, if one angle measures 50 degrees and the other two angles are equal, what is the measure of each of the equal angles?
  • Step 1: Understand that the sum of all angles in a triangle is always 180 degrees.
  • Step 2: Identify the angles in the triangle. One angle is given as 50 degrees, and the other two angles are equal.
  • Step 3: Let the measure of each of the equal angles be represented by 'x'.
  • Step 4: Write an equation to represent the sum of the angles: 50 + x + x = 180.
  • Step 5: Simplify the equation: 50 + 2x = 180.
  • Step 6: Subtract 50 from both sides of the equation: 2x = 180 - 50.
  • Step 7: Calculate the right side: 2x = 130.
  • Step 8: Divide both sides by 2 to find the value of x: x = 130 / 2.
  • Step 9: Calculate the value of x: x = 65 degrees.
  • Step 10: Conclude that each of the equal angles measures 65 degrees.
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