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soo far I was thinking maybe I should be using Tan for A to get the value of h ~ but im a little iffy if im right
Height should be easy Triangle BAG is a 45 45 90 triangle so its height is 14 feet
yea I calculated that by using tan so did i do it right ? \[\tan 45 = h/ 14 \] right ??? thats the right equation ?
Yes tangent = opposite/adjacent
ok i had to multiply , them which gave me 14 in the end. it threw me off.
Now for part B Kelly's angle would be the arc tangent of (14/26)= the arc tangent of 0.5384615385 =28.301 degrees
wait where did the 26 come from ...
Distance from lighthouse 14 ft + 12 ft = 26 feet
oh so we just had to combine the distance of both, well the 14 thats the height of the light house. ohh i under stand now ~~
we are looking at the whole shape correct ?|dw:1438739344220:dw|
Yes, that's right (kind of a lousy problem that uses a 14 foot lighthouse - kinda small isn't it?)
I looked up the question for help on how to do it but they kept saying its 71 for a which is weird since its kind of impossible to get 71.
soo a is 14 b is 28.3 since we have to round to the nearest tenth now for c
They are saying height = 71? Okay for part c we know y = 28.3 The angle to the right of the 45 degree angle would be 180 - 45 = 135 degrees
yea i looked it up since i was confused if 14 was correct
then we divide by two right or ?
They say it should be 71? Did you type up the question exactly as it is written?
yea , I did and it came to open study. but they made me even more confused. they had the same model everything same question.
the third angle would be 180 - 135 -28.3 degrees
= 16.7 degrees
ohhh ! alright :) ! thank you so much for helping me today i have not had any good help in a while.
glad to help :-)