Question

Find the surface area of the right triangular prism below.

A. 108 in2
B. 48 in2
C. 51 in2
D. 102 in2
http://roads.advancedacademics.com/contentserver/content/roadssection/279601/questions/assessments/sa-surfaceareaandvolumeunitexam/geometry_9_exam_final_lt_060909_6q.jpg

Answer 1

area of triangles = 2 * (0.5*3*4)
area of rectangular sides = 4* 8 + 3*8
find hypotenuse of triangle using pythagoras: = sqrt(3^2 + 4^2) = sqrt25
area of 3rd side = sqrt25 * 8

add these areas together to get total surface area

Answer 2

thanx

Answer 3

yw