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Shapes and Angle Rules

isosceles triangle. rhombus. equilateral triangle. scalene triangle. Shapes and Angle Rules. octagon. rectangle. hexagon. 80 + ? = 180. square. pentagon. right-angled triangle. 80 + 100 = 180. isosceles triangle. rhombus. equilateral triangle. scalene

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Shapes and Angle Rules

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  1. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon 80 + ? = 180 square pentagon right-angled triangle 80 + 100 = 180

  2. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon ? + 50 = 180 square pentagon right-angled triangle 130 + 50 = 180

  3. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon 10 + ? + 50 = 180 square pentagon right-angled triangle 10 + 120 + 50 = 180

  4. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon 100 + 120 + ? = 360 square pentagon right-angled triangle 100 + 120 + 140 = 360

  5. equilateral triangle scalene triangle Shapes and Angle Rules octagon isosceles triangle rhombus rectangle hexagon 30 + 30 + ? + 140 = 360 square pentagon right-angled triangle 30 + 30 + 160 + 140 = 360

  6. isosceles triangle rhombus Shapes and Angle Rules octagon rectangle hexagon equilateral triangle scalene triangle a = 180 - 25 square pentagon right-angled triangle 155 = 180 - 25

  7. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon c = 360 - 100 - 35 square pentagon right-angled triangle 225 = 360 - 100 - 35

  8. equilateral triangle scalene triangle Shapes and Angle Rules octagon isosceles triangle rhombus rectangle hexagon square pentagon right-angled triangle ? = 360 - 15 - 55 290 = 360 - 15 - 55

  9. isosceles triangle rhombus Shapes and Angle Rules octagon rectangle hexagon equilateral triangle scalene triangle 180 - 15 - 20 - 5 = m square pentagon right-angled triangle 180 - 15 - 20 - 5 = 140

  10. isosceles triangle rhombus equilateral triangle scalene triangle Shapes and Angle Rules octagon rectangle hexagon 360 - 25 - 75 - 5 = y square pentagon right-angled triangle 360 - 25 - 75 - 5 = 255

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