In Fig. 4.139, `/_A B C=90o` and `B D_|_A C` . If `B D=8c m` , `A D=4c m` , find `C D` . (FIGURE)

In Figure, /_A B C=90^o and B D_|_A C . If B D=8c m , A D=4c m , find C D .

In Fig. 4.140, /_A B C=90o and B D_|_A C . If A B=5. 7 c m , B D=3. 8\ c m and C D=5. 4 c m , find B C . (FIGURE)

In Fig. 4.41, A D is the bisector of /_A . If B D=4c m , D C=3c m and A B=6c m , determine A C . (FIGURE)

In Fig. 4.95, if /_A D E=/_B show that A D E ~ A B C . If A D=3. 8 c m , A E=3. 6 c m , B E=2. 1 c m and B C=4. 2 c m , find D E . (FIGURE)

In Fig. 10.38, /_A B C\ =\ 69^@ , /_A C B\ =\ 31^@ , find /_B D C

In Fig. if A B_|_B C and D E_|_A C . Prove that A B C ~ A E D

In Fig. 4.42, A D is the bisector of /_B A C . If A B=10 c m . A C=14 c m and B C=6c m , find B D and D C . (FIGURE)

In Figure, /_A B C=69^0,\ /_A C B=31^0 , find /_B D C

In Fig. 4.145, if A B_|_B C , D C_|_B C and D E_|_A C , prove that C E D ∼ A B C . (FIGURE)

In Fig. 21, A B C D is a parallelogram, D L_|_A Bdot If A B=20\ c m , A D=13\ c m and area of the parallelogram is 100 c m^2 find A Ldot