math exercises
buscar exercício
Given four distinct points
A, B, C
and
D
in a straight line, how many rays whose endpoints are
A, B, C
or
D
are there in this line?
show the answer
8 rays
(FUVEST - 1977)
Given that:
;
;
;
The length of
é is:
a)
b)
c)
d)
e)
show the answer
(B)