document.write( "Question 627805: 25 cent - a quarter is 3/4 inch in diameter. When placed 7 feet from eye, it blocks the disc of moon. Diameter of the moon is 2160 miles. How far is the moon from the earth? \n" ); document.write( "
| Algebra.Com's Answer #395197 by ankor@dixie-net.com(22740)     You can put this solution on YOUR website! 25 cent - a quarter is 3/4 inch in diameter. \n" ); document.write( " When placed 7 feet from eye, it blocks the disc of moon. Diameter of the moon is 2160 miles. How far is the moon from the earth? \n" ); document.write( "; \n" ); document.write( "Using the rule of similar triangles \n" ); document.write( ": \n" ); document.write( "Convert 7 ft to 84 inches \n" ); document.write( "let d = distance to the moon \n" ); document.write( ": \n" ); document.write( "A ratio equation \n" ); document.write( " \n" ); document.write( "Cross multiply \n" ); document.write( ".75d = 2160*84 \n" ); document.write( "d = \n" ); document.write( "d = 241,920 miles to the moon \n" ); document.write( " \n" ); document.write( " |