Answer:
1. 294 cm
2. 950 inches
Step-by-step explanation:
1. =6(7×7)
=6×49
=294
2. =2(5×15)+2(15×20)+2(20×5)
=2(75)+2(300)+2(100)
=150+600+200
=950
1.
Surface Area = 6s^2
= 6(7)^2
=6(49)
= 294
2.
l= 20in
w=15in
h=5in
V = whl
V = (15)(5)(20)
V = 1200
SA = 2(h×w) + 2(w × l) + 2(l × h)
SA = 2(5 × 15) + 2(15 × 20) + 2(20 × 5)
SA = 2(75) + 2(300) + 2(100)
SA = 150 + 600 + 200
SA = 950
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Answers & Comments
Answer:
1. 294 cm
2. 950 inches
Step-by-step explanation:
1. =6(7×7)
=6×49
=294
2. =2(5×15)+2(15×20)+2(20×5)
=2(75)+2(300)+2(100)
=150+600+200
=950
1.
Surface Area = 6s^2
= 6(7)^2
=6(49)
= 294
2.
l= 20in
w=15in
h=5in
V = whl
V = (15)(5)(20)
V = 1200
SA = 2(h×w) + 2(w × l) + 2(l × h)
SA = 2(5 × 15) + 2(15 × 20) + 2(20 × 5)
SA = 2(75) + 2(300) + 2(100)
SA = 150 + 600 + 200
SA = 950