you will have two sides with measurements on them; your angle will be between to two. get me?
you would then type this in your calculator:
sin-1 (shift, then sin, ) , and don't press anything else, and then after that, type in
(one length), and then divided by (the other length) e.g :
sin-1 8 divided by 11.
you then write down the answer ( whole number because it is an angle), and there you go!
Just type in SOH/CAH/TOA in the Google search box and you will have a better description than i have given. if you have anymore questions on trigonometry then i will happily answer them. hope this helps as i have taken a long time to write it! Lauren.
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If it's a right angle triangle then the the third angle is 60 degrees.
360 degrees
If you are trying to find the missing angle of a triangle you do 180 degrees minus your two other angles. However if you are trying to find the missing angle of a quadrilaterals you do the same thing but with 360 degrees.
If three central angles measures 65, 87, and 112, find the measure of the fourth central angle.
Subtract the two known angles from 180 degrees will give you the missing angle