Geometry revision

choose the correct answer:

1) The angle whose measure is more than 180° and less than 360° is called .…….... angle

2) If BA ⊥ BC , then m (∠ ABC ) = ……… 

3) If m (∠ A ) = 54° and m (∠ B ) = 36° , then ∠ A and ∠ B are ………... angles

4) If ∠ A complements ∠ B and ∠ A ≡ ∠ B , then m (∠ A ) = ……

5) If m (∠ A ) = 2 m (∠ B ) , ∠ A supplements ∠ B , then m (∠ B ) = ………

6) If m ( ∠ A ) = 70° , then m (reflex ∠ A ) = ………

7) The sum of measures of 4 accumulative angles at a point ……. the sum of measures of 5 accumulative angles at a point.

8) If ∠ A supplements ∠ B , ∠ A supplements ∠ C , then ∠ B and ∠ C are ……

9) The type of the angle of measure 89° 60`is ………

10) In ∆ ABC , if m ( ∠ A ) = 30° and m ( ∠ B ) = 90° , then m ( ∠ C ) = ……

1) If the measure of one of two vertically opposite angles is 50 , then the measure of the adjacent angle is ………

12) The obtuse angel supplements ……… angle.

13) If C is the midpoint of AB , then AC ……. CB .

14) In the opposite figure: m ( ∠ AMC ) = …….°

15) If : AB ≡ CD , then AB – CD = …….