1) An acute angle is? a) More than 180° b) More than 360° c) Less Than 90° d) More thank 90° 2) A right angle is? a) Bigger than 180° b) When an angle is facing the right c) Exactly 90° d) Smaller than 180° 3) An obtuse angle is? a) Smaller than 90° b) Bigger than 90° but smaller than 180° c) More than 180° d) Exactly 90° 4) A reflex angle is? a) Exactly 90° b) Smaller than a right angle c) More than 180° d) Bigger than 90° but less than 180° 5) The angles on a triangle add up to? a) 360° b) 90° c) 250° d) 180° 6) In a triangle, one angle measures 60° and another measures 80°. What is the measure of the third angle? a) 40° b) 20° c) 10° d) 100° 7) There are 2 angles on a straight line. One measures 45°, what is the measure of the second angle? a) 125° b) 135° c) 160° d) 110° 8) Define an isosceles triangle a) A triangle where all angles are different b) A triangle with 2 sides of equal length and 2 angles of equal size c) An upside down triangle 

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