10. Two angles are measures is 180°. angles if the sum of their a. Supplementary b. Straight 11. In Figure 5, ZDBA is a 90° angle. What type of angles are LABC and LCBD? c. Complementary d. Right Figure = a. Supplementary and adjacent angles b. Supplementary but not adjacent angles c. Complementary and adjacent angles d. Complementary but not adjacent angles 12. 21 and 23 are supplementary angles. 2 and 21 are vertical angles. The measure of 21 = 59°, find mz2. a. 59° B. b. 31° c. 131° d. 121°
Permutations and Combinations
If there are 5 dishes, they can be relished in any order at a time. In permutation, it should be in a particular order. In combination, the order does not matter. Take 3 letters a, b, and c. The possible ways of pairing any two letters are ab, bc, ac, ba, cb and ca. It is in a particular order. So, this can be called the permutation of a, b, and c. But if the order does not matter then ab is the same as ba. Similarly, bc is the same as cb and ac is the same as ca. Here the list has ab, bc, and ac alone. This can be called the combination of a, b, and c.
Counting Theory
The fundamental counting principle is a rule that is used to count the total number of possible outcomes in a given situation.
Kindly answer items 10, 11 and 12. Please choose the correct option. Thank you.
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