Not necessarily. True/False: Supplementary angles form a straight angle 52. (iii) Two obtuse angles can form a linear pair. 60° and 120° are supplementary angles but both are not obtuse. One of the angles is 17°, what is the measure of the other angle? B) There are three types of angles: Acute, straight, and right. Two angles are supplementary. It also needs two angles. By the definition of obtuse angles, the angles that measure greater than 90° are obtuse. If angle A and angle B are supplementary angles, then we can write. Question 53853: Hi can you please tell me if this is true of false. e.g. Always true. Question 878435: if angle one and angle two are supplementary then one of the angles is Obtuse true or false Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website! If two angles are supplementary angles, then it is not necessary that they are always obtuse angles. False. A supplementary angle adds up to 180 degrees. Both angles could be right angles. If you add two obtuse angles, the sum will be greater than 180°. It will not satisfy the property of the supplementary angles when we add obtuse angles. Special Angle Pairs: CLASSWORK 50. If two angles are vertical angles, … Although it is possible for an acute and an obtuse … Right angles are neither acute nor obtuse. (ii) Two acute angles can form a linear pair. The above statement is true. False, to be supplementary, the angles must add up to be 180 degrees. Example: 110° + 95° = 205° which is not a supplementary angle… The obtuse angle can be anywhere from 179 degrees to 91 degrees, aslong as the other angle together adds up to 180 degrees. An acute angle measures less than 90 degrees, and obtuse measures more than 90 degrees. True or false. State whether the following statements are true (T) or false (F): (i) Two obtuse angles can be supplementary. - .-- 53. False. If two angles are obtuse, then they can be vertical angles. Thus, if the angle is acute, its supplementary angle would be obtuse. If two angles are supplementary then one angle is acute and one angle is obtuse. 1 two obtuse angles can be supplementary 2. two right angles can from a linear pair - 33351843 When these two angles are added together, the resulting angle must be greater than 180 degrees. Supplementary angle is one which when added to the angle makes 180 degrees. Thank you, Ali Found 2 solutions by aaaaaaaa, checkley71: Never true. True/False: Complementary angles form a right angle 51. (iv) Two adjacent angles always form a linear pair. Two angles are complementary. (v) Pair of vertically opposite angles are always supplementary. The given statement is false as obtuse angle are also a type of angle. If two angles are supplementary then one must be acute and the other obtuse or both right angles. If two angles are supplementary, then they must form a straight angle. 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