Question

m
20T
B
D
C с
13
to
A
In Fig. 3.18, A is a common
point of contact of two
externally touching circles
and line 1 is a common
tangent both circles
touching at B and C. Line M
is another common tangent
at A and it intersects BC at D. 3
Prove that
(i) mZBAC = 90°
(ii) Point D is the midpoint of seg BC.
Fig. 3.18​

Answer 1

Step-by-step explanation:

write question clearly