One ordering of the letters t, u,v and w from left to right is u, t,v, w. what is the total number of orderings of these letters from left to right, including utvw

Answer with explanation:

Total number of Letters = T,U, V and W.

As you have to write down total number of arrangement of four letters,T,U, V and W, taken all at a time

= As Order of Arrangement of Alphabets is Important , so we can apply the Concept of Permutation or Principal of Counting , applying any of these will give you same result.

→→Total number of orderings of these letters from left to right,including U T V W= 24 ways

180-142=38 for the acute angle next to the entry

90+38=128

180-128=52

a=52

step-by-step explanation: