Answer:
Step-by-step explanation:
FIRST ONE TO GET IT RIGHT GETS BRAINLY!!!
2 answers:
Answer: 764 + 118 = s
Step-by-step explanation: if you take let's start at the beginning if I take 4 + 8 I get 12 and if so that's a 2 down and I carry the 1 so now i have 60 + so in in short it would be 60 + 11 and that is 71 and so put the 7 down and carry the 1 and now I have 21 in my answer box but were not done and now I take the 700 and the 100 and i just add them together and that gives me a 800 and now all together I have 872 so the full equation is 764+118=872.
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Given:
A prism with height 5 cm and equilateral triangular base with side 2 cm.
To find:
The total surface area of the prism.
Solution:
Area of an equilateral triangle is:
Where, a is the side length.
Putting , we get
The base and top of the prism are congruent so their area must be equal.
The lateral surface area of the prism is:
Where, P is the perimeter of the base and h is the height of the prism.
The lateral surface area of the prism is:
Now, the total surface area is the sum of areas of bases and lateral surface area.
Therefore, the total surface area is 33.46 cm².