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ACT
In this task, students use ideas about linear functions to determine when certain angles are right angles. They use the fact that two lines (if not vertical or horizontal) are perpendicular when their slopes are inverse reciprocals, as well as the fact that angle C of triangle ABC is a right angle when C lies on a circle with the hypotenuse as the diameter. Aligns with G-GPE.B.5.
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CCSS:
Adaptable
Concepts
Additional Tags
inscribed polygon, inverse reciprocal, prove the slope criteria for parallel and perpendicular lines and use them to solve geometric problems, cc by-nc-sa 4.0, ccss.math, creative commons attribution-noncommercial-sharealike 4.0, g-gpe.b.5, hsg-gpe.b.5, illustrative mathematics, illustrative mathematics: g-gpe.5 triangles inscribed in circle hsg-gpe.b.5, triangles inscribed in circle
Classroom Considerations
- Knovation Readability Score: 5 (1 low difficulty, 5 high difficulty)
- The intended use for this resource is Instructional|practice