Answer:
12
Step-by-step explanation:
According to Euclidian theorem h^2 = 3*x (h : height)
36 = 3x divide both sides by 3
12 = x
X² = 1/4 ⇒√⇒ x₁ = 1/2, x₂ = -1/2
A. 8
QRP
QPT
TPS
TRS
SPR
STP
QTS
QRS
Danielle had a percent error of 13.6 (farthest)
Iris had a percent error of 6.8
HB has a percent error of -2.3 (closest)
So the order is HB, Iris, and then Danielle