Answer:
it is when two triangles are similar to each other in every way.
Mainly there are 4 TYPES OF CONGRUENCY.(A.A.S, S.S.S, R.H.S, S.A.S )
(a) The product of
is calculated to be 
(b)The product of
is not equal to the product of 
<u>Step-by-step explanation:</u>
<u>(a)</u>

b)

The product of
is not equal to the product of 
ANSWER i think its c Step-by-step explanation:
I believe that that day, 111 children attended the museum.