To find diameter of moon

distance of moon from earth is 360000km .Angle subtended  by observer from earth is 0.516° find diametre of moon
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1 Answer

Rong...averaej distans from erth tu moon =384,400 km (238,900 mile)

angel=0.516 degree...is small nuf, us kan simplifi tan(angel)=sine(angel)=angel

in Radians

1 pi=180 deg, or 1 radian=57.295779513082320 deg

so 0.516 deg=0.0090059 radians

0.009006*384,400=3,462 km for diameter av Moon

astronomy book sae moon rad=1,737.1 km, giv diameter=3,474.2
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