joewiii10
28.01.2020 •
Mathematics
What is the surface area of a cube with a side length of 4 inches?
12 in2
48 in2
64 in2
96 in2
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Ответ:
96in^2
Step-by-step explanation:
because first find the area of two sides (Length*Height)*2 sides.
Find the area of adjacent sides (Width*Height)*2 sides.
Find the area of ends (Length*Width)*2 ends.
Add the three areas together to find the surface area.
Example: The surface area of a rectangular prism 5 cm long, 3 cm.
Ответ:
357
Step-by-step explanation:
I see two congruent semicircles and 1 rectangle. Two congruent semicircles = 1 normal circle.
Find the perimeter of a circle which is pi*d or 3.14*50=157
Now there are two 100 which is 200
200+157=357