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Mathematics Grade8 Lesson14: Surface area of parallelogram, rhombus, trapezium
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Mathematics Grade8 Lesson16: Median characteristics of a triangle
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Mathematics Grade8 Lesson16: Mediator characteristics of the triangle
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Mathematics Grade8 Lesson16: Height characteristics of a triangle
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Mathematics Grade8 Lesson16: The half-line characteristic of an angle of a triangle
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Mathematics Grade8 Lesson17: The surface area of the prism, pyramid and cone
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Mathematics Grade8 Lesson17: The surface area of the pyramid
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