Similarity of Triangles. Mathematics CBSE, Class 10: lessons, tests, tasks.

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1.	Introduction
2.	Similar figures
3.	Activity based on similar figures
4.	Similarity of triangles
5.	Theorems
6.	Examples

1.	State the given figures are similar Difficulty: easy	3
2.	Find the unknown side of the similar figures Difficulty: easy	3
3.	Calculate the side AD of triangle ABC Difficulty: easy	3
4.	Find the length of AE of triangle ABC Difficulty: easy	3
5.	Determine the value of the variable Difficulty: medium	4
6.	Determine the perimeter of the similar triangles Difficulty: medium	4
7.	Find the side length of the triangle Difficulty: medium	4
8.	Check whether the lines of the triangle are parallel Difficulty: medium	4
9.	Determine the length of PM Difficulty: medium	4
10.	Calculate the length of PT and VQ Difficulty: medium	4
11.	Observe the picture and answer the questions Difficulty: hard	5
12.	Determine the height of the small tree Difficulty: hard	5
13.	Determine the lengths of the remaining sides of the triangle Difficulty: hard	5
14.	Calculate the height of the mother Difficulty: hard	5
15.	Verify the trees are parallel Difficulty: hard	5

1.	Training test I Difficulty: easy	9
2.	Training test II Difficulty: medium	11
3.	Training test III Difficulty: medium	12

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