A square is split into four triangles, and then three of the four triangles are shaded, as shown. If the areas of the shaded triangles are 3,4 , and 6 , as shown, what is the area of the unshaded triangle?
A.
10
B.
13
C.
15
D.
None of these
Exam No:2022 First Round Grades 8-9 Year:2022 Question No:26
Answer:
D
Knowledge points:
G8-9 - Geometry - Area Reasoning (Composite & Shaded Figures)
Solution:
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