## Triangles - CCSS 6.G.A.1, 6.G.A.4, Mathematical Practices

## Links verified on 05/14/2024

1. Angle Classification: Acute, Right, Obtuse.

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Lesson with examples and practice problems. SEE MORE

2. Angles.

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Practice your knowledge of acute, obtuse and alternate angles. (Additional related resources available under the learner tab.) SEE MORE

3. Area of a triangle.

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Practice finding area of a triangle using its side lengths and height. SEE MORE

4. Area of a Triangle.

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This activity requires students to determine the area of triangles. It gives immediate feedback. SEE MORE

5. Area of Right Triangles.

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Find the area of right triangles. Included Skills: Find the area of right triangles, other triangles, special quadrilaterals, and polygons. SEE MORE

6. Classifying Triangles (Equilateral, Isosceles, or Scalene).

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Classify each triangle shown. SEE MORE

7. Geometry Building Blocks: Classifying Angles.

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Estimate the angle measures using the given figures. Match the descriptions to an angle in the provided list. There are eight "workout" questions. Lesson and examples are also available. SEE MORE

8. Pythagorean Explorer.

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Find the length of a side of a right triangle by using the Pythagorean Theorem, and then check your answers. SEE MORE

9. Spy Guys Interactive - Working with Angles.

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Watch the video and respond at various places Lesson 16. This video includes sections which ask students to input responses. SEE MORE

10. Squaring the Triangle.

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Learn about how the Pythagorean Theorem works, the standard geometric proof and explore the angle of measurements. (Additional related resources located under the learner tab.) SEE MORE

11. Triangle Calculator.

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Enter values for three of the six sides and angles of the triangle and the other three values will be computed. The number of significant values entered will determine the number of significant figures in the results. SEE MORE

12. Triangle Explorer.

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Students learn about areas of triangles and about the Cartesian coordinate system through experimenting with triangles drawn on a grid. (Additional related resources available under the learner tab.) SEE MORE

13. Triangle Identification (Sides).

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Identify the type of triangle by its number of sides. SEE MORE

14. Triangle Identification.

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Identify the type of triangle and angles given. SEE MORE

15. Triangle Identification.

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Identify the type of triangle given its angles. SEE MORE

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