Question

Practice set 1.3
A
75°
C
In figurel.55, 2 ABC=75°.
EDC=75° state which two triangles
are similar and by which test? Also
write the similarity of these two
triangles by a proper one to one
correspondence.
75°
E
B
Fig. 1.55​

Answer 1

Given

∠ABC=75

o

,∠EDC=75

o

Now , in ΔABC and ΔEDC

∠ABC=∠EDC=75

o

(Given)

∠C=∠C (Common)

By AA test of similarity

ΔABC∼ΔEDC