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frozen [14]
4 years ago
5

D(5, 7), E(4, 3), and F(8, 2) form the vertices of a triangle. What is m∠DEF?

Mathematics
2 answers:
Fantom [35]4 years ago
8 0

Answer:

The answer 90 degrees.

Step-by-step explanation:

DE^2 = 1 + 16 = 17.  

EF^2 = 16 + 1 = 17.  

DF^2 = 9 + 25 = 34.  

Since (DE)^2 + (EF)^2 = (DF)^2,  

angle E is 90 degrees.

Darina [25.2K]4 years ago
3 0
The answer is 90 degrees
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