Question

how to find perpendicualar heigt of cone when slant height is given

Answer 1

Answer:

$\huge\frak\pink{Answer}$

So we can use the Pythagorean Theorem to determine the radius of the base of the cone in terms of the perpendicular height and the slant height.

Equation I. r2=l2−h2.

Equation II. r=√l2−h2.

Equation III. A=Al+Ab.

Equation IV. Al=πlr .

Equation V. Ab=πr2.

Equation VII. A=πlr+πr2.

Answer 2

Answer:

$\underline\bold{Answer:-}$

{Use the height of the cone and the radius of the base to form a right triangle. Then, use the Pythagorean theorem to find the slant height.

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