zacksoccer8279
26.02.2021 •
Mathematics
Graham created a graphic organizer for polygons. Here is a section of his organizer.
Which shapes appear to be classified correctly?
Shapes 1 and 3
Shapes 1, 2, and 3
Shapes 1, 2, and 4
Shapes 1 and 4 only
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Ответ:
426m
Step-by-step explanation:
To find the surface area of a rectangular prism, you have to find the area of ALL sides of the prism, and then add all of them together.
FRONT: 12 times 9 = 108
BACK: 108
SIDE: 5 times 9 = 45
SIDE: 45
TOP: 12 times 5 = 60
BOTTOM: 60
108+108+45+45+60+60=426
SURFACE AREA=426m