[填空题]
BT represents the height of a skyscraper, with its base at B and top a c2 yrn.k,emgi 8((e azjpiz2+ize1j*ef *,:e*yc+zbham9 p ct T. Jack has an apap*+9emcy,zf ahb*e:crtment on the 32nd floor at C, three fifths of the way to the top of the building.
From a point A, on horizontal ground 200 m from B, the angle of elevation to C is $38^{\circ}$.
1.Calculate BC, the height of Jack's apartment above the ground. m
2.Calculate the angle of depression from T to A. $^{\circ}$
