by nsguy1350 » Tue Apr 03, 2012 9:38 pm
16. Radius of Earth ~ 3960 mi --> Radius of Moon ~ 990 mi
If his eyes are 4 in below the top of his head, and he is 6 feet tall, then his eyes are 5 ft 8 in off the ground.
Set up a right triangle, using the following information:
One leg is the horizon distance, what you're trying to find.
One leg is the radius of the moon.
And the hypotenuse is the radius of the moon plus his height.
You should draw the moon as well, making r vertical, and the radius plus the height as the slanted hypotenuse, with it barely coming off the circle.
Therefore, letting r be the radius of the moon, d be the horizon distance, and h be his height,
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula]
[unparseable or potentially dangerous latex formula] [unparseable or potentially dangerous latex formula].
2013 District 1/Region:
NS - 319/355
MA - 340/332
CA - 294/287
SC - 344/292
CS - 212/124 (fail)