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nataly862011 [7]
4 years ago
7

Solve for z Z=4/9-1/3=5/9

Mathematics
1 answer:
SVETLANKA909090 [29]4 years ago
8 0

z-4/9-1/3=5/9

z-4/9-3/9=5/9

z=5/9+4/9+3/9

z=12/9=4/3

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3 years ago
If d , e, and f are midpoints of the sides of ABC, find the perimeter of ABC.
ehidna [41]

Answer:

Perimeter of the ΔDEF = 10.6 cm

Step-by-step explanation:

The given question is incomplete; here is the complete question with attachment enclosed with the answer.

D, E, and F are the midpoints of the sides AB, BC, and CA respectively. If AB = 8 cm, BC = 7.2 cm and AC = 6 cm, then find the perimeter of ΔDEF.

By the midpoint theorem of the triangle,

Since D, E, F are the midpoints of the sides AB, BC and CA respectively.

Therefore, DF ║ BC and FD=\frac{1}{2}\times(BC)

FD = \frac{7.2}{2}

     = 3.6

Similarly, FE=\frac{1}{2}\times(AB)

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Perimeter of the ΔDEF is 10.6 cm.

7 0
3 years ago
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