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PLZ HELP FAST!!!!!!! The triangles are similar. The area of the larger triangle is 729 cm². What is the area of the smaller triangle? 10.5 cm² 31.5 cm² 67 cm² 81 cm²
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Sep 17, 2019
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PLZ HELP FAST!!!!!!!
The triangles are similar. The area of the larger triangle is 729 cm².
What is the area of the smaller triangle?
10.5 cm²
31.5 cm²
67 cm²
81 cm²
Mathematics
middle-school
Ufukomer
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Answer:
The answer is 81^2 I took the test
Explanation:
XtrmJosh
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Sep 20, 2019
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XtrmJosh
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Corresponding sides have a ratio of 18/54 = 1/3. Thus the area will have a ratio of (1/3)^2 = 1/9.
The smaller triangle has an area of
.. (1/9)*729 cm^2 = 81 cm^2 . . . . . . . . . . . . . . corresponds to the 4th selection
Sindar
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Sep 22, 2019
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Sindar
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