codman385 codman385

16-08-2020
Mathematics

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Find the total surface area. A. 192 cm² B. 197 cm² C. 109 cm² D. 216 cm²

Find the total surface area A 192 cm B 197 cm C 109 cm D 216 cm class=

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mlarsen5000 mlarsen5000

16-08-2020

Answer:

D) 216cm²

Step-by-step explanation:

Triangles: a=1/bh

a=1/2(6)(8)

a=24 (2 of them)

Base: 6x7=42

Back: 8x7=56

Front Rectangle: 7x10=70

24+24+42+56+70=216cm²

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