A right triangle has acute angles measuring 2x+6 degrees and 3x−26 degrees. Use the Triangle Angle Sum Theorem to find the measures of the missing angles of the triangle. Please

1 answer

In a triangle, the sum of the angles is always 180 degrees. For a right triangle, one of the angles is 90 degrees, meaning the sum of the other two angles must be 90 degrees.

Let the acute angles be:

  1. \( A = 2x + 6 \) degrees
  2. \( B = 3x - 26 \) degrees

Since the sum of angles \( A \) and \( B \) must equal 90 degrees, we can write the equation:

\[ (2x + 6) + (3x - 26) = 90 \]

Combining like terms:

\[ 2x + 3x + 6 - 26 = 90 \]

This simplifies to:

\[ 5x - 20 = 90 \]

Next, add 20 to both sides:

\[ 5x = 110 \]

Now, divide by 5:

\[ x = 22 \]

Now, we can find the measures of angles \( A \) and \( B \):

  1. For angle \( A \):

\[ A = 2(22) + 6 = 44 + 6 = 50 \text{ degrees} \]

  1. For angle \( B \):

\[ B = 3(22) - 26 = 66 - 26 = 40 \text{ degrees} \]

Thus, we have found the angles of the triangle:

  • Angle \( A = 50 \) degrees
  • Angle \( B = 40 \) degrees
  • The right angle \( C = 90 \) degrees

To summarize, the measures of the angles in the right triangle are \( 50 \) degrees, \( 40 \) degrees, and \( 90 \) degrees.