Help please and thank you​

step-by-step explanation:

hans did not square the 40-unit side; he merely multiplied it by 2.   incorrect.

c

step-by-step explanation:

i think because what else can be a sample of every member

answer: the angel abc is 30°,and the abc is a triangle where the angel bac is 90°

so ac is the half of 24=12ft,and from the pythagorean theorem we find ba

ba=√bc^2-ac^2=√576-144=√432=12√3ft

so bac is 12+12√3=12(1+√3)ft