Question

What is the surface area of the prism?

Solid Figures, Part 1

A.
672 in2

B.
116 in2

C.
348 in2

D.
480 in2
http://static.k12.com/calms_media/media/243500_244000/243729/1/00ec6a34272c3b79f5f020c92e7310268aab6d54/VHS_PA_S2_05_L213_L313_UT_Q10.gif

Answer 1

@Samus_Aran

Answer 2

@amistre64

Answer 3

what are your thoughts?

Answer 4

B?

Answer 5

by thoughts, i mean what process do you spose will get us to an answer ...

Answer 6

oh multiply 10*16

Answer 7

doesnt seem like a logical approach.

lets start with this. define what surface area is.

Answer 8

the area of the base

Answer 9

well, the base is only ONE surface in the object. wouldnt the total surface area include ALL the surfaces together?

Answer 10

true

Answer 11

how many 'faces' do we have? what are their shapes?

Answer 12

5 surfaces 2 triangles and 3 rectangles

Answer 13

good

what is the area of each surface? then we add them up for the total surface area ..

Answer 14

triangles=48
rectangles=40
is what i got

Answer 15

tri1: 6*16/2
tri2: 6*16/2

2(48) is good on the tris, your rects are not good

rect1: 10*7
rect2: 10*7
rect3: 16*7

Answer 16

brb

Answer 17

i'm back

Answer 18

i got all the answers

Answer 19

so what did you choose?