Respuesta :

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Answer:

Step-by-step explanation:

14.

(1.25)² +EF ² = 3²; subtract (1.25)² from both sides

EF²= 3² - (1.25)²; square root both sides and calculate

√EF² = √10.5625

EF = 3.25

15.

∠I = 180-46-90 = 44°