Question

FIRST PERSON WHO ANSWERES CORRECTLY GETS A BRAINLIEST AND THIS IS WORTH 12 POINTS

Answer 1

Here is your answer

Area of 2 triangular part
=2× (1/2 × 3 × 4)

=12 sq. units

Area of three rectangular parts= (l×b)

= 11×5 + 11×4 + 11×3

= 55+44+33

= 132 sq. units

Hence,

surface area of prism= 12+132

= 144 sq. units

HOPE IT IS USEFUL