Question

6. Find the weight of solid rectangular iron piece of size 50 cm x 40 cm x 10 cm, if 1 cm²
iron weights 8 gm.
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Answer 1

Answer:

20000 ×8

160000

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Answer 2

Given :-

• Length of iron rectangular piece = 50cm
• Breadth of iron rectangular piece = 40cm
• Height of iron rectangular piece = 10cm
• Weight of 1cm³ = 8gm

To find :-

• Weight of solid rectangular iron piece

Solution :-

As we know that

★ Volume of cuboid = volume of solid rectangular iron piece

→ Length × breadth × height

→ 50 × 40 × 10

→ 20000cm³

Now, weight of 20000cm³

→ 8 × 20000

→ 160000g

Hence,

• Weight of 20000cm³ is 160000g