Find the percent error in this situation: Estimated value: 145
Actual value: 189

A. 3.03%
B. 2.33%
C. 30.3%
D. 23.3%

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

vertical=18cm horizontal=18cm hypotenuse=25.5

step-by-step explanation: