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Sagot :
Answer:
SA= 84 cm^2
Step-by-step explanation:
So first locate all the surfaces
we got 5 sides in total
Now calculate each one
Lets start with the 2 triangles
so formula for area of triangl is 1/2(b*h)
So in this case it’s 6
Now there are 2 identical triangles
So Times the 6 by 2
You’ll get 12
Thats 2 sides
Now for the side with the rectangle of 5cm and 6cm
Area of rectangle is 5*6=30
That would onay be 1 side
Now for the bottom of the prisim which is the side with 4cm and 6cm
Same rectangle so multiply
4*6=24
Thats another side down
The last side is on the left with the back not visible. The two dimensions are 6 and 3
Now multiply 6*3
18
Now add up your total
18+24+12+30=84
So 84 cm^2 OR 84 square centimeters
Answer:
84 [tex]cm^{2}[/tex]
Step-by-step explanation:
To find the surface area of a prism, one will have to find the area of each of the sides of the prism, then add the areas up. First, find the dimensions of each of the sides
Front; 5 x 6
Front triangle; 3 x 4
Back triangle; 3 x 4
Bottom; 4 x 6
Back; 3 x 6
The front is a rectangle, hence one has to [tex]base * height[/tex] to find the area;
5 x 6
= 30
The front triangle is a triangle, hence on has to do [tex]\frac{base * height}{2}[/tex] to find the area;
[tex]\frac{3*4}{2}[/tex]
= 6
The back triangle is a triangle, hence on has to do [tex]\frac{base * height}{2}[/tex] to find the area;
[tex]\frac{3*4}{2}[/tex]
= 6
The back is a rectangle, so one has to do [tex]base * height[/tex] to find the area;
4 * 6
= 24
The bottom is a rectangle, o one has to do [tex]base * height[/tex] to find the area;
3 * 6
= 18
Noe one has to add up all the areas to find the total surface area;
Front + Front_triangle + Back_triangle + Bottom + Back
30 + 6 + 6 + 24 + 18
= 84
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