(Download) CBSE Class X Mathe Paper: 2012 - Set - I
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Guess Paper – 2012
Class – X
Subject – Mathematics
(Trigonometry and triangles)
1. Prove That In A Right Triangle The Square Of The Hypotenuse
Is Equal To The Sum Of The Squares Of The
Other Two Sides
Using The Above Theorem, Do The Following:
If ABC Is An Equilateral Triangle With AD, BC, Then AD2 =3DC2.
Other Two Sides
Using The Above Theorem, Do The Following:
If ABC Is An Equilateral Triangle With AD, BC, Then AD2 =3DC2.
2. In Triangle ABC, AD, BC and BD = 3CD. Prove That 2AB2=2AC2+BC2.
3. If , tanө + sinө = m and tanө - sinө =n
Show That m2=n2=4 Гmn
4. Prove That The Ratio Of The Areas Of Two Similar Triangles Is Equal To The
Ratio Of Squares Of Their Corresponding Sides.