Geometry help anyone? Thank you so much. :)
What is the lateral area of a triangular prism with base edges all equaling 2 millimeters and a height of 7 millimeters?
A. 7 mm²
B. 14 mm²
C. 28 mm²
D. 42 mm²
I just don't seem to understand this lesson, I'm usually pretty okay at Geometry, this lesson has just been throwing me off guard.
I assume I would use the Lateral Area formula?
Stacey Warren - Expert brainly.com
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If it helps anyone, the formula I have for Lateral Area is
and that is specifically for prisms.
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well, a rectangular prism has 2 bases, so it would have 3 base edges then, correct?
3 base edges on each side, that makes 6 base edges in total and plus 3 edges on the sides. So 9 right?
@bahrom7893 I do believe that is correct, although I have someone else telling me that the answer is C. 28.
Although, at this point, i'm just confused- so if you could tell me what you think of that, i'd be grateful.
The surface area of a prism = 2 × area of base + perimeter of base × H
Area of base:
hmm I'm lost. @amistre64 can you take a look at this. That sqrt(3) is bothering me
lateral area is just the area of the sides without the bases