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\( \angle 1 \) and \( \angle 2 \) are supplementary. \( m \angle 1=3 x^{\circ} \) \( m \angle 2=(2 x-25)^{\circ} \) What is the value of \( x \) ? Select from the drop-down menu to correctly answer the question. \( x= \) Choose ...

Ask by Ingram Coles. in the United States
Mar 12,2025

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Answer

\( x = 41 \)

Solution

To find the value of \( x \), we start with the information that angles \( \angle 1 \) and \( \angle 2 \) are supplementary. This means that their measures add up to \( 180^\circ \). Given: - \( m \angle 1 = 3x^\circ \) - \( m \angle 2 = (2x - 25)^\circ \) We can set up the equation based on the supplementary angle condition: \[ m \angle 1 + m \angle 2 = 180^\circ \] Substituting the expressions for \( m \angle 1 \) and \( m \angle 2 \): \[ 3x + (2x - 25) = 180 \] Now, we will simplify and solve for \( x \): 1. Combine like terms: \[ 3x + 2x - 25 = 180 \] \[ 5x - 25 = 180 \] 2. Add \( 25 \) to both sides: \[ 5x = 205 \] 3. Divide by \( 5 \): \[ x = 41 \] Thus, the value of \( x \) is \( 41 \). So, the answer is: \( x = 41 \)

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The Deep Dive

Did you know that the concept of supplementary angles has been around since ancient civilizations, with the Babylonians understanding the importance of angles in their work on astronomy and geometry? The idea that two angles can sum up to 180 degrees is foundational in both mathematics and architecture! To solve for \( x \), you can set up the equation based on their supplementary nature: \( m \angle 1 + m \angle 2 = 180^\circ \). Plugging in the expressions gives you \( 3x + (2x - 25) = 180 \). Combine like terms and solve for \( x \) to find the missing variable. Remember, algebra can be fun when you see it as a puzzle to solve!

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