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how to solve angle addition postulate

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Question:I do not want answers, I want to be explained on how to do it. Please and thank you. < = a tiny triangle on my paper m
Answers:m
Question:I have two of these problems on my math homework and i don't know what they are or how to solve them. Im in the 11th grade and it's my Geometry homework Question 1) is DC= 5n-12 CE=3n+8 DE=52 and question 2) is GF=15x-9 FH=19x-1 GH=92

Answers:For #1 I am assuming that D and E are the endpoints of the line segment and that C is some point between them. The segment addition postulate simply states that DC (the distance from D to C) plus CE (the distance from C to E) is equal to DE (the distance from D to E) DC + CE = DE Now just plug in what you are given. DC = 5n - 12 so plug this in for DC and so on. (5n - 12) + (3n + 8) = 52 The idea here is to now solve for n and perhaps determine what the distances DC and CE are. 8n - 4 = 52 8n = 56 n = 7 So DC = 5n - 12 = 5(7) - 12 = 23 and CE = 3n + 8 = 3(7) + 8 = 29 The same sort of thing happens with #2.

Question:The question is: Let Q be in th interior of POR. Use the Angle Addition Postulate to solve for x. Find the measure of each angle. 14. m POQ = (x + 4) m QOR = (2x - 2) m POR = 26 I am not looking for the answer, I am just confused as to how to solve it. I have done problems using the Angle Addition Postulate before, except they were just angles and all I had to do was add two numbers together. So basically my question is how do I go about solving this? Thank you ahead of time. Nevermind haha I just figured it out myself! I realized I made a simple (but stupid as always) mistake when I was trying to figure it out. Instead, could you hellp with this problem? It contains fractions. *runs and hides* m POQ = (1/3x + 1/3) m QOR = (2x + 4/3) m POR = (5x - 1) If this is actually really simple, please tell me! Fractions always get me.

Answers:AAAH! FRACTIONS! AAAAAAAAAAAAAAAAAAAAAAAAH!!!!!!!!!!!!!!! OMG! NOOOOO! Best answer por favor :)

Question:

Answers:simple trig? I barely remember back that far but heres your answer enjoy~

From Youtube

How to Use the Arc Addition Postulate to Find Arc Lengths :This video math lesson teaches the arc addition postulate. The arc addition postulate states the measures of two adjacent arcs can be added. This is similar to the segment and angle addition postulates. The example in this geometry video lesson involves finding the the measures of two arcs in a diagram. One central angle measure is given and one arc measure is given.

Segment Addition Postulate.avi :In this video, we will use the segment addition postulate to solve for a missing value.