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An oil funnel made of tin …

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An oil funnel made of tin sheet consist of A 10cm long cylinder portion attached to a frustum of a cone. If the total height is 22cm, diameter of the cylindrical portion is 8cm and the diameter of the top the funnel is 18cm , find the area of the tin sheet required to make the funnel.

Posted by ❄️ Queen ❄️ 6 years ago

CBSE > Class 10 > Mathematics

1 answers

Vikas Yadav 6 years ago

(k+1)a2- 2(k-1)a + 1

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CBSE > Class 10 > Mathematics