Could someone help me out?

Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.

A. 645 m²; 779 m²
B. 671 m²; 725 m²
C. 645 m²; 725 m²
D. 671 m²; 698 m²

Question

Could someone help me out?

Use formulas to find the lateral area and surface area of the given prism. Round your answer to the nearest whole number.

A. 645 m²; 779 m²
B. 671 m²; 725 m²
C. 645 m²; 725 m²
D. 671 m²; 698 m²

anonymous · Answer

attachment

anonymous · Answer

@starlord6200 @THEHELPER123  Can you guys help?

pinklion23 · Answer

i might be able to help im on this unit now in k12 :)

anonymous · Answer

I'm in Connections. I want to know how to do it. Thank you .

pinklion23 · Answer

okay well do you know how to do the surface area that is pretty easy :)

anonymous · Answer

Yea $$S.A = L.A + 2B$$

pinklion23 · Answer

if we find the surface area then we know which answer is right :)

pinklion23 · Answer

so plug in your numbers

anonymous · Answer

$$L.A = 6 \times 70$$

anonymous · Answer

L.A = 420

anonymous · Answer

S.A = 420 + 2B

pinklion23 · Answer

okay good now the surface area is A≈725.32

anonymous · Answer

Okay. I think I got it now. I guess I just needed a bit of a jumpstart. Thanks!

pinklion23 · Answer

so what is your answer? :)

anonymous · Answer

Wait, how'd you get the surface area being 725???

pinklion23 · Answer

wait no 725 is right what do you mean? :/ im confused

anonymous · Answer

Me too. I got the lateral area wrong as well. 420 is none of the choices...

anonymous · Answer

Ugh. I keep getting 420.

pinklion23 · Answer

okay so can you use a website i can offer? i did not use it maybe im wrong but you can check by using this :) https://www.google.com/search?q=surface+area+of+a+triangular+prism+calculator&ie=utf-8&oe=utf-8

pinklion23 · Answer

your answer is B by the way lol >U<

anonymous · Answer

Okay, thanks so much!

pinklion23 · Answer

np have any more :)

anonymous · Answer

Nope, thanks!