Jamie needs to determine the distance across a river. she selects a rock, r, on the opposite river bank. she finds a tree, t, on her side of the river such that is perpendicular to the river. next, jamie walks 50 yards down the river from the tree, t, to a spot, c. using a compass that she made from two sticks, she measures . she then walks from c in a direction that makes the same angle as with the river bank on her side of the river. she keeps walking in that direction until she sees the tree and the rock in a straight line from her position. she marks this point b and then paces from b to t to measure the distance from point b to the tree. if bt turns out to be 75 yards, what is rt, the distance across the river?

the clues that signal the reader should change tone are the punctuation marks, the grammatical signs. for example, the quotation marks at the beginning of something someone else said literally or the exclamation marks.

the tone of the first line of dialogue until "gettysburg" is a kind tone, a tone of advise. the narrator is trying to the other person in doing something he or she obviously is finding hard to do by giving a piece of advise and bringing up a memory of a successful similar case.

the clue that the reader understand how to read the word "bang" is the exclamation mark. it gives the word a surprise tone, a strong accent.

the best tone for reading the word "bang" is an exciting tone, a surprise one, even a loud one.

the words that should be read with a formal tone are the ones that give factual information. the sentence: mister lincoln couldn't think of anything to say at the gettysburg" gives information about an event and it needs to be read formally, also, when the narrator wants to transmit calmness, a formal and slow tone is needed, because people also transmit messages with the vibrations of our voices and tones.