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solu:- Given that , H = 21 cm & l = 28 cm
we have to find r ?
So, we know that Phythagoras Theorem:-
We apply it to get r² = √h²+l² = r² = √(21)²+(28)², r² = √441+784 = r²= √1225 r = 35 cm.
volume of cone =1/3πr²h
= 1/3 ×22/7 × 35 × 35 × 21
= 1×22×35×35×21 / 21
= 5,65,950/21
= 26,950 cm³
Hope it is helpful to you....
I solve completely **** with full explaination.
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we have to find r ?
So, we know that Phythagoras Theorem:-
We apply it to get r² = √h²+l² = r² = √(21)²+(28)², r² = √441+784 = r²= √1225 r = 35 cm.
volume of cone =1/3πr²h
= 1/3 ×22/7 × 35 × 35 × 21
= 1×22×35×35×21 / 21
= 5,65,950/21
= 26,950 cm³
Hope it is helpful to you....
I solve completely **** with full explaination.
Please Mark as*** BRAINLIST ANSWER....
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