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Target Mindy scored exactly 100 on this dart board.

Target Mindy scored exactly 100 on this dart board. How many darts did she throw, and where did they land?. Target Answer. Mindy shot 6 darts. She hit the 16, 2 times and hit the 17, 4 times. 16 x 2 = 32 17 x 4 = 68 32 + 68 = 100. Triangles. Lesson 10-4. Triangle.

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Target Mindy scored exactly 100 on this dart board.

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  1. Target Mindy scored exactly 100 on this dart board. • How many darts did she throw, and where did they land?

  2. Target Answer • Mindy shot 6 darts. • She hit the 16, 2 times and hit the 17, 4 times. • 16 x 2 = 32 • 17 x 4 = 68 • 32 + 68 = 100

  3. Triangles Lesson 10-4

  4. Triangle • A triangle is a figure that has 3 sides and 3 angles. The sum of the measure of the angles is 180° • m<1 + m<2 + m<3 = 180° 1 2 3

  5. Find the missing angle measure • <1 = 50° <2= 75° <3 = ?

  6. Find the missing angle measure • <1 = 50° <2= 75° <3 = ? • 50 + 75 = 125 • 180 – 125 = 55°

  7. Classify Triangles Using Angles • Acute Triangle • Properties: All acute angles.

  8. Classify Triangles Using Angles • Right Triangle • Properties: 1 right angle.

  9. Classify Triangles Using Angles • Obtuse Triangle • Properties: 1 obtuse angle.

  10. Classify Triangles Using Sides • Scalene Triangle • Properties: No congruent sides.

  11. Classify Triangles Using Sides • Isosceles Triangle • Properties: At least 2 congruent sides. This symbol represents that the sides are congruent.

  12. Classify Triangles Using Sides • Equilateral Triangle • Properties: 3 congruent sides.

  13. Naming Triangles • Triangles have a 2 part name. • The first part of the name, names the angles (acute, obtuse, or right) • The second part of the name, names the sides (scalene, isosceles, or equilateral) • Example: Obtuse Scalene

  14. Name the Triangle • Acute Scalene

  15. Name the Triangle • Right Scalene

  16. Name the Triangle • Acute Equilateral

  17. Find the missing angle. Then classify the triangle as acute, right, or obtuse. • 50 °, right x 40°

  18. Find the missing angle. Then classify the triangle as acute, right, or obtuse. • 135 °, obtuse 20° 25° x

  19. Find the missing angle. Then classify the triangle as acute, right, or obtuse. • 20 °, obtuse 30° x 130°

  20. Don’t Forget • Homework: Lesson 10-4 # 1-18 all

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