Explanation: Let AB is tree of height h
t
=
? and CD is Tonya h
g
=
1.3 meter tall at A
C
= 7 meters in front of tree . The shadow C
E
=
1.8 meters long . So two similar triangles are formed , one Δ
A
E
B and other Δ
C
E
D
. So A
B
C
D
=
A
E
C
E or h
t
h
g
=
A
E
A
C or h
t
h
g
=
A
C
+
C
E AC or h
t 1.3
=
7
+
1.8
1.8 or h
t
=
8.8
⋅
1.3
1.8
≈
6.36
(
2
d
p
)m
All are positive, and point upwards. The angle that they increase along the horizontal axis is different.
Step-by-step explanation:
There are no negative signs that the x is multiplied in any of the equations, and the number they are multiplied by is different for each graph: one is 1, another is 2, and the last is 3.
