[填空题]
A zipline is installed on a mountain range as a tourist a0 udpa3am2kx a1w. rx9ttraction. Th v 3u;pfivij6zlcs5*v 4mn70 se locations of the stops along the zipline can be described by coordinates (in metres) in referen3nv 4ip;*i0s vs5u7 6fvmjclzce to the xx, yy, and zz-axes, where the xx and yy axes are in the horizontal plane and zz-axis is in the vertical plane.
Stop G, at ground level, has coordinates (1000,20,0)(1000,20,0). Stop, T, located near the top of the mountain, has coordinates (10,15,550)(10,15,550).
1.Find the distance between stops G and T, rounding your answer to the nearest metre. m
A new stop, M, is built exactly half-way between stops G and T.
2.Find the coordinates of stop M.( , , )
3.Write down the height of stop M, in metres, above the ground.
