Answer:
[tex]136 \: {units}^{2} [/tex]
Step-by-step explanation:
Solution,
Area of front and back triangles:
[tex]2 \times \frac{1}{2} \times 6 \times 4[/tex]
[tex] = 24[/tex]
Area of side rectangle:
[tex]2 \times 7 \times 5[/tex]
[tex] = 70[/tex]
Area of base rectangle:
[tex]6 \times 7[/tex]
[tex] = 42[/tex]
Surface area:
24 + 70 + 42
= 136 units^2
Hope this helps...
Good luck on your assignment...
