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Sagot :
Answer:
42
Explanation:
so like the 1 part of the triangle 1 and so the bottom of the triangle has to be the same. And the height is 9.
Answer:
C. 21
Explanation
In this triangle, 4n + 9 is the midsegment.
According to the Midsegment of a Triangle theorem, 4n + 9 is equal to half of 14n.
14n/2 = 7n
7n = 4n +9
-4n -4n
3n = 9
/3 /3
n = 3
4(3) + 9 = 21
Therefore the answer is C
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