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eduard
3 years ago
12

Surface area of this figure

Mathematics
2 answers:
Aleks [24]3 years ago
8 0

Answer:

523.1m²

Step-by-step explanation:

Triangle: 1/2bh=1/2(4)(10)=20x2=40 each

Bottom Rectangle: 15x8=120

Side Rectangles: Since the side is a hypotenuse of a right triangle, it’s the square root of 10²+4²=√116=10.77.  10.77x15=161.55

So the total surface area would be 40+40+120+161.55+161.55=523.1m²

tamaranim1 [39]3 years ago
4 0

Answer:

23

Step-by-step explanation:

you add 10m(h) plus 8m(w) plus 15m(l)

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