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In fig. 11, the length (in cm) of eac...

In fig. 11, the length (in cm) of each side has been indicated along the side. State for each triangle whether it is scalene, isosceles or equilateral:

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  8. In fig. 12, there are five triangles. The measures of some of their...

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  9. Fill in the blanks with correct word/symbol to make it a true statemen...

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  10. In each of the following, state if the statement is true (T) or false ...

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  11. Total number of parts of a triangle is (a) 3      (b) 6       (c) 9 ...

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  12. A perpendicular drawn from a vertex to the opposite side of a triangle...

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  13. A triangle may not have(a) an altitude    (b) can have at most 3 a...

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  14. Line segments joining the vertices to the mid-points of the opposite ...

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  15. A triangle whose two sides are equal is called (a) an acute triangle...

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  16. A triangle whose two sides are equal is known as

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  17. A triangle whose all sides are equal is called

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  18. The sum of the lengths of sides of a triangle is known as its (a) are...

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  19. A triangle having all sides of different length is known as

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  20. A triangle whose one angle is more than 90^@ is called

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