all the formula of surface areas and volume (class 9)
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FORMULAS:
- SURFACE AREA OF A CUBOID=2(LB+BH+HL)
- SURFACE AREA OF A CUBE=6A²
- CURVED SURFACE AREA OF A CYLINDER=2πRH
- TOTAL SURFACE AREA OF A CYLINDER=2πR(R+H)
- CURVED SURFACE AREA OF A CONE=πRL
- TOTAL SURFACE AREA OF A RIGHT CIRCULAR CONE=πRL+πR²,IE.,πR(L+R)
- SURFACE AREA OF RADIUS R=4πR²
- CURVED SURFACE AREA OF A HEMISPHERE=2πR²
- TOTAL SURFACE AREA OF A HEMISPHERE=3πR²
- VOLUME OF A CUBOID=L×B×H
- VOLUME OF A CUBE=A³
- VOLUME OF A CYLINDER=πR²H
- VOLUME OF A CONE=1/3πR²H
- VOLUME OF A SPHERE OF RADIUS R=4/3πR³
- VOLUME OF A HEMISPHERE=2/3πR³
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