mozella44
mozella44 mozella44
  • 04-04-2019
  • Mathematics
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Step by step explanation please

Step by step explanation please class=

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Amny
Amny Amny
  • 04-04-2019

Two equal triangles

2(1/2×b×h)

=2(1/2×8×10)

[tex] = 80 {cm}^{2} [/tex]

Three rectangles

=3(l×h)

=3(18×8)

=3(144)

[tex]432 {cm}^{2} [/tex]

Total Surface area

[tex]80 {cm}^{2} + 432 {cm}^{2} \\ 512 {cm}^{2} [/tex]

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