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Roof55
12.08.2020 •
Mathematics
PLEASE HELP ME ASAP Find the total surface area.
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Ответ:
Step-by-step explanation:
Step 1: Understand what this shape is constructed out of
2 Congruent Trapezoid
2 Congruent Rectangles
1 Small Rectangle
1 Large Rectangle
Step 2: Find the surface area of the shapes
Area of 2 Trapezoids =![(\frac{a+b}{2}h)2=(\frac{4+6}{2}2.8)2=(\frac{10}{2}2.8)2=((5)}(2.8))2= (11.6)(2)=23.2cm^{2}](/tpl/images/0721/0124/de642.png)
Area of 2 Rectangles =![(3)(10)(2)=(60)(2)=120cm^{2}](/tpl/images/0721/0124/0fc4e.png)
Area of Smaller Rectangle =![(4)(10)=40cm^{2}](/tpl/images/0721/0124/4af02.png)
Area of Larger Rectangle =![(6)(10)=60cm^{2}](/tpl/images/0721/0124/66711.png)
Step 3: Add the surface areas up
Therefore the surface area of the Trapezoidal Prism is![243.2cm^{2}](/tpl/images/0721/0124/55cac.png)
Ответ:
i think its 24m^2
Step-by-step explanation: