The surface area of a cuboid is 1300 cm 2- If its breadth is 10 cm and height is 20 cm 2- find its length-

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Standard IX

Mathematics

Total Surface Area of a Cuboid

The surface a...

Question

The surface area of a cuboid is 1300 cm². If its breadth is 10 cm and height is 20 cm², find its length.

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Solution

Let, l → Length of the cuboid

Breadth of the cuboid (b) = 10 cm

Height of the cuboid (h) = 20 cm

Surface area of the cuboid (A) = 1300 cm²

We have to find the length of the cuboid

We know that,

Length of the cuboid is .

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The surface area of a cuboid is 1300 cm2. If its breadth is 10 cm and height is 20 cm2, find its length.

Let, l → Length of the cuboid Breadth of the cuboid (b) = 10 cm Height of the cuboid (h) = 20 cm Surface area of the cuboid (A) = 1300 cm2 We have to find the length of the cuboid We know that, Length of the cuboid is .

The surface area of a cuboid is 1300 cm². If its breadth is 10 cm and height is 20 cm², find its length.

Let, l → Length of the cuboid

Breadth of the cuboid (b) = 10 cm

Height of the cuboid (h) = 20 cm

Surface area of the cuboid (A) = 1300 cm²

We have to find the length of the cuboid

We know that,

Length of the cuboid is .