EASY
CTET Paper 2
IMPORTANT
Earn 100

The surface areas of the three coterminous faces of a cuboid are 6,15 and 10 cm2respectively. The volume of the cuboid is:

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Important Points to Remember in Chapter -1 - Volume and Surface Area from Arihant Expert Team Mathematics & Pedagogy CTET & TETs Class (VI-VIII) Solutions

Volume and Surface Area

1. Cube:

V=a3

LSA=4a2

2. Cuboid:

V=l×b×h

LSA=2h l+b

TSA=2lb+bh+hl

3. Sphere:

V=43πr3

LSA=4πr2

TSA=4πr2

4. Cylinder:

V=πr2h

LSA=2πrh

TSA=2πrh+2πr2

5. Cone:

V=13πr2h

LSA=πrl

TSA=πrr+l

6. Pyramid:

V=12×Area of base×Height

LSA=12×Perimeter of base×Slant height

TSA=12×Perimeter of base×Slant height+Area of the base

7. Prism:

V=Base area×Height

TSA=2×Base area+Lateral surface area

8. Regular Tetrahedron:

V=Side362

TSA=3×Side2