Find the surface area of the triangular prism.

15.6 cm
10 cm
11 cm
12 cm

Total Surface area of the figure =

Step-by-step explanation:

 The figure consists of three rectangular faces and two triangular faces :

Area of the figure = Area of the two triangular faces + Area of the three rectangular faces

Area of the two triangular faces:

Area of the two triangular faces is:

Area of the rectangle=

Area of the Rectangular face with :

                Area is:  

Area of the rectangular face with:

         Area is:

For,

              Area is:

Total Surface area of the figure is:

answer: i can’t tell you that

step-by-step explanation:

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true