A rectangle is partitioned into 9 different squares, as shown at the right. The area of the smallest square, shown fully darkened, is 1 . Two other squares have areas of 196 and 324, as shown. What is the area of the shaded square?
A.
289
B.
225
C.
256
D.
169
Exam No：2018 First Round Grades 10-12 Year：2018 Question No：13
Answer:
B
Knowledge points:
G10-12 - Geometry - Area Reasoning (Algebraic Modeling)
Solution:
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