Use the given figure to answer the following items: 1. If the base angles of isosceles triangle ALEP are 1 and 23, then which are the legs? 4. 3. 6. 2. If the legs of isosceles triangle ALEA are LE and AE, then which are the base angles? In ANAE, AE AN. Name the following: 3. legs 4. base angles 5. vertex angle 6. If 25 is an exterior angle of AAEN, then the remote interior angles are and 7. What angle is an exterior angle of ALEP? 8. In ALAN, if mZ8> mZ4, then 9. In APLA, if PA > LA, then 10. In AAEN, > AN.
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.
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