Step-by-step explanation:
the formula is :
tan (a+b) =
(tan (a) + tan (b)) / ( 1 - tan (a) . tan (b))
therefore
tan (π/5) + tan (π/2)) / (1-tan (π/5) tan (π/2))
= tan (π/5 + π/2)
Answer:
vertical angle relationships are formed.
Good luck :)
Two planes intersect at a line. Not a point.
Answer:
75%
Step-by-step explanation:
