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Question 8:

Let the angle be x, so that

x + 27° = 85°

or, x = 85 - 27 = 58°

Question 7:

EG = 75

EF = 28

FG = EG - EF = 75 - 28 = 47

Question 1:

angle DEF is an acute angle because it's measure is more than 0° but less than 90°.

Question 2:

angle ABC is an obtuse angle because it's measure is less than 180° but greater than 90°.

Question 3:

angle XYZ is an acute angle because it's measure is more than 0° but less than 90°.

Question 4:

angle PQR is an acute angle because it's measure is less than 90° but greater than 0°.

Question 5:

angle STU is an obtuse angle because it's measure is less than 180° but greater than 90°.

Question 6:

angle MNO is an obtuse angle because it's measure is less than 180° but greater than 90°.