Sides of a triangle. Mathematics CBSE, Class 7: lessons, tests, tasks.

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1.	Triangle inequality for sum of two sides
2.	Triangle inequality for difference of two sides

1.	Pick the true property Difficulty: easy	2
2.	Choose the appropriate property Difficulty: easy	2
3.	Find out the least value of a unknown side Difficulty: easy	2
4.	Select the possible unknown side value Difficulty: medium	3
5.	Check is that possibleto form a triangle with the given sides Difficulty: medium	3
6.	Find the length of third side Difficulty: medium	4
7.	Evaluate the side length possible values from the given ratio Difficulty: hard	4
8.	Calculate the side and verify triangle inequality Difficulty: hard	5
9.	Calculate the possible distance between the flat Difficulty: hard	5

1.

Training Test

Difficulty: medium

7

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Methodical recommendation

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