Seudónimo Seudónimo
  • 10-03-2017
  • Mathematics
contestada

What is the surface area of the figure?
A.
270 cm2

B.
135 cm2

C.
160 cm2

D.
320 cm2

What is the surface area of the figure A 270 cm2 B 135 cm2 C 160 cm2 D 320 cm2 class=

Respuesta :

apologiabiology
apologiabiology apologiabiology
  • 10-03-2017
we can split it up into a net
actually, here is a hack

notice that indented side?
we can take the plane and push it so it makes 4 sides, neat

ok, so we now just have 4 normal sides and 2 L shapes

L shape can be cut into 2 rectangles
5 by 5 and 5 by 10 so total of 75 is the L
2 L's so
2*75=150

the sides
4 of them
they all are 10 by 3
10*3*4=120

toatl is 150+120=270

answer is A

Answer Link
sweetbrainygirl
sweetbrainygirl sweetbrainygirl
  • 10-03-2017
a is the answer that's what I think
Answer Link

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