Answer:
8m
Step-by-step explanation:
x = hypotenuse since they want the point of observation to the top of the tree
cos 60 = 4/x
x = 4 / cos 60
x = 8m
13
12×7 = 84,
so the scale ratio is 1/7
now 91×1/7
= 91/7
= 13
A
Hope it helps!
