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Ilia_Sergeevich [38]
3 years ago
12

Find the total surface area for the following. height-3m, length-300 cm and width- 2 cm.​

Mathematics
2 answers:
Delvig [45]3 years ago
6 0

Answer:

Step-by-step explanation:

So the Dimensions are:

Height: 300cm

Length: 300cm

Width: 2cm

SA = 2(H*L)+2(H*W)+2(L*W)

= 180000 + 1200 + 1200

= 182400 cm^{2} OR 18.24m^{2}

cluponka [151]3 years ago
6 0

Answer:

182400 cm²

Step-by-step explanation:

At = 2( l×w + l×h + h×w)

= 2(300cm×2cm + 300cm×300cm + 300cm×2cm)

= 2(600cm² + 90000cm² + 600cm²)

= 2×91200cm²

= 182400 cm²

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If E F = 7 , A C = 16 , and A F = 9
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Answers:

CB = 14

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====================================

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Points E and F are midpoints of their respective sides. They form the midsegment EF. Because EF is a midsegment, A midsegment is half the length of its parallel counterpart, so CB is two times longer than EF. If EF is 7 units long, then CB = 2*EF = 2*7 = 14

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