garyearkman18 garyearkman18

13-12-2019
Mathematics

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A rectangular solid has sides of 4cm, 6cm, and 8cm. What is it’s surface area?

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akiran007 akiran007

14-12-2019

Answer:

surface area =208 cm²

Step-by-step explanation:

length = l, breadth=b, height= h

Surface area of a rectangular solid = 2( lb+bh+hl)

= 2(4*6+6*8+8*4)

=2(24+48+32)= 2(104)= 208 cm²

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