A line segment is drawn from the upper right vertex of a parallelogram, as shown, dividing the opposite side into segments with lengths in a $$\(2: 1\)$$ ratio. If the area of the parallelogram is 90 , what is the area of the shaded region?
A.
45
B.
60
C.
33
D.
30
Exam No：2018 First Round Grades 10-12 Year：2018 Question No：20
Answer:
C
Knowledge points:
G10-12 - Geometry - Similarity (Advanced Ratios & Applications)
Solution:
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