Similarity Related To Right Triangle :
Theorem: If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse then triangles on both sides of the perpendicular are similar to the whole triangle and to each other.
Given: A right triangle ABC right angled at B. BD is perpendicular to AC To Prove:
Proof: [Common] [ Each ] [By AA Similarity of Triangle] Hence (1) statement has been proved.
[Common] [ Each ] [By AA Similarity of Triangle] Hence (2) statement has been proved. From statement (1) and (2) we see that both Therefore as both are similar to same triangle, they are similar to each other. Hence Hence (3) statement has been proved. |
Illustration: In a triangle ABC right angled at C. If a perpendicular is drawn from C to AB meating AB at D. Prove that
Proof: So, ............(1) Similarly in So, ............(2) From (1) and (2) we get Hence Proved |
In the following figure, ABD is a triangle in which and . Then which of the following is true. | |||
Right Option : A | |||
View Explanation |
If a perpendicular is drawn from the vertex of the right angle of a right triangle to the hypotenuse then triangles on both sides of the perpendicular are similar to ________________________. | |||
Right Option : C | |||
View Explanation |
In the following figure, is a right triangle with right anglew at B and BD AC, DM BC and DN AB. Then which of the following is true? | |||
Right Option : A | |||
View Explanation |
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