Question

a right triangle ABC with side 5 cm 12 cm and 13 cm is revolved about the side 12cm find the volume of the solid so obtained​

Answer 1

Answer:

let the ABC with right angle at B

AC will be hypotenuse,

AC=13cm, AB=12cm and BC=5cm

We revolve triangle ABC about the side AB(=12cm)

we got a cone as shown in your figure

Radius(r)=5cm and Height(h)=12cm

volume of solide so obtained=1/3πr2h

(1/3×π×5×5×12)cm3

(1×π×25×4) cm3

=100π cm3

Step-by-step explanation:

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