Given △JKL, sin(38°) equals

cos(38°).
cos(52°).
tan(38°).
tan(52°).

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

i think its 100.

hope this !