SUPER HARD

In triangle ABC, m<A = 90, m<B=75, and BC = \sqrt{3}. What is the area of ABC? Express your answer as a common fraction. HELP THIS IS SO HARD HHELP MEE!!! EXplain too please!

Four circles of unit radius are drawn with centers (0,1), (-1,0), (0,1), and (0,-1). A circle with radius 2 is drawn with the origin as its center. What is the area of all points which are contained in an odd number of these 5 circles? (Express your answe...

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