Can someone help me with a few geometry questions please?

Such as, What is the length of AB?
https://banff.owschools.com/media/g_geo_2013/6/img_geou6a_47.gif

Question

Can someone help me with a few geometry questions please? 

Such as,  What is the length of AB?
https://banff.owschools.com/media/g_geo_2013/6/img_geou6a_47.gif

anonymous · Answer

yeepp..what are those..??

anonymous · Answer

i posted the first question here is the second Find x https://banff.owschools.com/media/g_geo_2013/6/img_geou6a_45.gif

anonymous · Answer

Find x https://banff.owschools.com/media/g_geo_2013/6/img_geou6a_46.gif

haseeb96 · Answer

very easy this is the right angle triangle and the one side angle is 45 degree so the other side angle is also 45 degree 
now apply the formula of sin theta = perpendicular /hypotenuse 
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