Answer:
(0.91)^{20}(0.09)
Step-by-step explanation:
All 3 triangle angles always add up to 180 degrees.
Angle to the left of 140 degrees = 40 degrees
Angle x = 180 -110 -40
Angle x = 30 degrees
Do 5 divided by 8 to get 0.625 feet of shadow per foot of the height of the tree, which is your answer
S·S=500. S²=500. S=√500. S=22.36. 22.4 inches for 1 side, 22.4(4)=89.6, 89.6 for all 4 :)
