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Points D and E are midpoints of the sides of triangle ABC. The perimeter of the triangle is 48 units.

What is the value of t?

A. 2

B. 3

C. 6

D. 8​

Points D and E are midpoints of the sides of triangle ABC The perimeter of the triangle is 48 unitsWhat is the value of tA 2B 3C 6D 8 class=

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sqdancefan

9514 1404 393

Answer:

  A.  2

Step-by-step explanation:

The perimeter is the sum of the side lengths:

  48 = (3t +3t) +(4t +4t) +(7t +6)

  42 = 21t . . . . . . . . . . . . . . . . . . . collect terms, subtract 6

  2 = t . . . . . . . . divide by 21

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