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are those lines parallel to each other?
ya I guess...
ok, in that case, there is a trick in geometry when a line is cutting two parallel lines like you have in your drawing. look at the following |dw:1370537050683:dw|
in this case a=d; e=h; f=g; c=b
also a=e b=f c=g d=h
yes, I know tht but in this case I don think its true since the equations are different and bec of the previous angle questionss
I am not sure i understand your question then, are you being asked to solve for x?
so, since you know these two angles are equal to each other you can do -1+14x=12x+17 and solve for x
then to check and get the actual measurements of the angles plug back your x
oh wooowww...I cant believe I 4got tht, lol. thnk u so muchhh
your are welcome, let me know what you get for x, that way i can check my ans too ;)
ok, I got x=9
yep that is what i get,
ok, thnx...can I ask u 4 something else? I need help wid another question :P....
ido you know the relationship between the two angles you drew?
r they complementary? .....the angles equal 2 180 degrees
yep they are
actually their sum equals 180
yes, so how do I find the measure of the angle
find x first by solving 20x+5+24x-1=180
when you find x, plug it back to the angle you want, in this case 20x+5
oh thn juss plug the number, ok I got it
yes b/c remember the whole angle is not just x, it is 20x+5
k, thnxx a lot...
sure no problem
last, 1 im so srry, |dw:1370538725861:dw|
r these angle measures equal to 90 degrees cause their straite and look like a right angle
well, if you think back to the second problem these two angles are also supplementary angles, they also add up to 180. They are the same measure, therefore they are 90 degrees each. You can also solve this by doing algebra