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21. Volume of a cuboid whose length, breadth andheight are respectively 15 cm, 10 cm and 5 cm is -(A) 900 cm3(B) 750 cm(C) 150 cm(D) 200 cm3​

Answer»

Volume = 750 cm³

Step-by-step explanation:

Given:

  • Length is 15 cm.
  • Breadth is 10 cm.
  • Height is 5 cm.

To Find:

  • What is the volume of cuboid ?

Solution: As we KNOW that volume of a cuboid is given by

(L B H) cubic units

Here we have

  • L = 15 cm
  • B = 10 cm
  • H = 5 cm

\implies{\rm } Volume = 15(10)(5) cm³

\implies{\rm } Volume = 15(50) cm³

\implies{\rm } Volume = 750 cm³

Hence, the volume of cuboid will be 750 cm³. (Option B is correct)

________________

➭ Cuboid is a convex polyhedron bounded by six quadrilateral faces.

➭ Total surface AREA = 2(LB + BH + HL)

➭ Number of

  1. Edges = 12
  2. Vertices = 8
  3. Faces = 6



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