Answer:
the answer is B. 45" I took the test
Answer:
Perimeter is 17.07
Step-by-step explanation:
We know that DF = EF = 5 cm, since D and E are the midpoints of AC and AB, both of which are 10 cm in length.
We need to use the Pythagorean theorem to get the length of DE.

So the perimeter of DEF is 5 + 5 + 7.07 = 17.07
The expressions that can represent the dimensions of the prim is (x), (3x+1) and (4x-1).
It would be: 289*24/100 = 6936/100 = 69.36
Answer:
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Step-by-step explanation:
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