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umka21 [38]
3 years ago
12

A room is 20 feet long, 18 feet wide, and 8 feet tall. If Keiko paints the walls and ceiling, how much surface area will she cov

er?
Mathematics
2 answers:
seropon [69]3 years ago
8 0

Answer:

968 square feet

Step-by-step explanation:

surface area covered

= 2(l + w) *h + lw

= 2(20+18)*8+20*18

=2*38*8+360

=608 +360

= 968 square ft

Ksenya-84 [330]3 years ago
3 0

Answer:

Total surface area= 608+360= 968 sq ft

Step-by-step explanation:

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