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Exploring Angle Relationships: Concept Checks for Understanding

This lesson covers various concept checks related to angle relationships, including adjacent angles, vertical angles, and complementary angles. Students will engage with examples to solidify their understanding, such as identifying two adjacent angles whose sum is less than 90 degrees and determining properties of vertical angles. Additionally, algebraic problems challenge students to find measures of complementary angles and conditions for perpendicular lines. This structured approach aids in reinforcing geometric principles through practical applications and thought-provoking questions.

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Exploring Angle Relationships: Concept Checks for Understanding

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  1. Lesson 1-5 Angle Relationships Concept Checks

  2. Check 1-A Concept Check A. Name two adjacent angles whose sum is less than 90. A. CAD and DAE B. FAE and FAN C. CAB and NAB D. BAD and DAC Click the mouse button or press the Space Bar to display the answers.

  3. Check 1-B Concept Check B. Name two acute vertical angles. A. BAN and EAD B. BAD and BAN C. BAC and CAE D. FAN and DAC Click the mouse button or press the Space Bar to display the answers.

  4. Check 2-A Concept Check ALGEBRAFind the measures of two complementary angles if one angle measures six degrees less than five times the measure of the other. A. 1°, 1° B. 21°, 111° C. 16°, 74° D. 14°, 76° Click the mouse button or press the Space Bar to display the answers.

  5. Check 3 Concept Check ALGEBRA. Find x so that AD and CE are perpendicular. A. x = 5 B. x = 10 C. x = 15 D. x = 20 Click the mouse button or press the Space Bar to display the answers.

  6. Check 4-A Concept Check A. Determine whether the statement mXAY = 90 can be assumed from the figure. A. yes B. no Click the mouse button or press the Space Bar to display the answers.

  7. Check 4-B Concept Check B. Determine whether the statement TAU iscomplementarytoUAY can be assumed from the figure. A. yes B. no Click the mouse button or press the Space Bar to display the answers.

  8. Check 4-C Concept Check C. Determine whether the statement UAX isadjacenttoUXA can be assumed from the figure. A. yes B. no Click the mouse button or press the Space Bar to display the answers.

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