X walked 20 feet from A to B in the East direction. Then X turned to the right and walked 6 feet. Again X turned to the right and walked 28 feet. How far is X from A?

Options

A. 28
B. 9
C. 10
D. 27

Answer

C

Explanation

Required distance
`AE = sqrt((AD)^(2) + (DE)^(2))`
` = sqrt((6)^(2) + (8)^(2)) = sqrt(36 +64)`
` sqrt(100)` = 10 feet.