Ncert maths class 12 exercise 6 5 solutions
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Find the local maxima and local minima, if any, of the following functions. The list is combined for all Chapters. Find the value of Ans. The sum of the measures of a complementary angle pair is 90º.
Also find maximum volume in terms of volume of the sphere. Answer: i Consider two lines, l and m, and a transversal line n which is intersecting them. Finding area between two curves.
Obtuse angle is always greater than 90º. Let be the radius and be the height of the cone. Answer: i Consider two lines, l and m, and a transversal line n which is intersecting them. Find the ratio of the cost of a pen to the cost of a ball pen. Therefore, the required numbers are 8 and 8. Hence, these lines are not parallel to each other.
NCERT Solutions for Class 12 Maths Chapter 5 continuity and differentiability - It can be observed that two angles, even of 91º, will always add up to more than 180º. For Interval is turning point.
Question 4: Find the angle which is equal to its complement. Answer: Let the angle be x. Complement of this angle is also x. The sum of the measures of a complementary angle pair is 90º. Answer: Let the angle be x. Supplement of this angle is also x. The sum of the measures of a supplementary angle pair is 180º. Question 7: Can two angles be supplementary if both of them are: i Acute. Acute angle is always lesser than 90º. It can be observed that two angles, even of 89º, cannot add up to 180º. Therefore, two acute angles cannot be in a supplementary angle pair. Obtuse angle is always greater than 90º. It can be observed that two angles, even of 91º, will always add up to more than 180º. Therefore, two obtuse angles cannot be in a supplementary angle pair. Question 8: An angle is greater than 45°. Is its complementary angle greater than 45° or equal to 45° or less than 45°. Answer: Let A and B are two angles making a complementary angle pair and A is greater than 45º. Therefore, these are not adjacent to each other. Question 10: Indicate which pairs of angles are: i Vertically opposite angles. Answer: i 90° ii 180° iii Supplementary iv Linear pair v Equal vi Obtuse angles Question 14: In the adjoining figure, name the following pairs of angles. Answer: i Consider two lines, l and m, and a transversal line n which is intersecting them. However, here their measures are 75º and 105º respectively. Hence, these lines are not parallel to each other. Here, their measures are 57º and 57º respectively. Hence, these lines are parallel to each other. However, here their measures are 72º and 82º respectively. Hence, these lines are not parallel to each other.
