Answer:
? = 3
Step-by-step explanation:
given a line parallel to a side of the triangle and intersecting the other 2 sides, then it divides those sides proportionally , that is
=
( cross- multiply )
4? = 12 ( divide both sides by 4 )
? = 3
answer:20 min. each
Step-by-step explanation:
2*60=120
120/6=20
12.36% I think sorry if its wrong ;-;
Perpendicular lines have slopes that are negative reciprocals
so if m1 = -3
the perpendicular line has a slope of 1/3
Answer:
2 1/2 seconds
Step-by-step explanation:
10×1/4=10/4=21/2 seconds