Let:
Calculate:
1.- d(P,Q) =
a) √3u
b) 5u
c) 3u
d) √24u
2.- d(P,r) =
a) 3u
c) 3,1u
d) 5,27u
3.- The angle formed by s and π
a) 71º33'54''
b) 37º22'3''
c) 90º
d) They are parallel ones
4.- The angle formed by π and π'
a) They are parallel ones
b) 53º23'23''
c) 45º23'57''
d) 50º46'7''
5.- d(Q,π) =
a) 0u
b) 1,27u
c) 2,28u
d) 5u
6.- d(r,s) =
a) 1u
b) √6u
c) √6/6u
d) √2/3u
7.- d(r,π) =
a) 2,7u
b) 1u
c) 0u
d) 1,6u
8.- The distance between the line that passes through the points P and Q and r
a) 2u
b) 3,27u
d) 3,47u
9.- The angle formed by the line that passes through the points P and Q and r
a) 0º
b) 25º12'34''
c) 47º12'37''
d) 38º22'42''
10.- d(P,π') =
a) 4√5/5u
b) √3/2u
c) 5u
d) 0u
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