Answer:
Two triangles are said to be similar if their corresponding angles are congruent and the corresponding sides are in proportion . In other words, similar triangles are the same shape, but not necessarily the same size. The triangles are congruent if, in addition to this, their corresponding sides are of equal length.
Step-by-step explanation:
Answer:
x
−
y
= −
11
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
(5x5) the big square - (2x2) the small square
25-4=21
