13. What kind of angle is formed by a floor and a wall?
А. Acute
B. Obtuse
C. Right
D. All of the choices

For items 14 and 15, refer to the figure below:

14. Which of the following is an acute angle?
A. /_CDE
B. /_ADE
C. /_FDE
D. /_BDE

15. Which of the following is an obtuse angle?
А. /_CDE
B. /_ADE
C. Both A and B
D None of the choices ​

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13 What Kind Of Angle Is Formed By A Floor And A Wall А AcuteB ObtuseC RightD All Of The ChoicesFor Items 14 And 15 Refer To The Figure Below14 Which Of The Fol class=