In fig.9, `D` is a point on side `B C` of a `\ A B Cdot\ \ A D` is joined. Name all the triangle that you can observe in the figure. How many are they?

In figure D is a point on side BC of a DeltaA B C such that (B D)/(C D)=(A B)/(A C) . Prove that AD is the bisector of /_B A C .

In fig.10,A,B,C and D are four points,and no three points are collinear.AC and BD intersect at O there are eight triangles. you can observe.Name all the triangles.

How many pairs of adjacent angles,in all,can you name in Figure.

In a scalene triangle A B C ,D is a point on the side A B such that C D^2=A D D B , sin s in A S in B=sin^2C/2 then prove that CD is internal bisector of /_Cdot

A point D is taken on the side B C of a A B C such that B D=2d Cdot Prove that a r( A B D)=2a r( A D C)dot

If any two angles and a non-included side of one triangle are equal to the corresponding angles and side of another triangle, then the two triangles are congruent. GIVEN : Two s A B C and D E F such that /_A=/_D ,/_B=/_E ,B C=E F TO TROVE : A B C~=D E F Figure

How many triangles are there in the given figure? (A)20 (B) 23 (C ) 24 (D) 26

How many triangles are there in the given figure? (A) 24 (B) 28 (C) 36 (D) 32

In Fig.37, A D bisects /_A and A D_|_ B Cdot IsDeltaA D B~=DeltaA D C ? State the three pairs of matching parts you have used in (i) Is it true to say that B D=D C ?

In fig. 15 , D , E are points on sides AB, AC of A B C such that D E||B Cdot if /_B=30^0 a n d /_A=40^0, find x^0, y^0, z^0dot