# A cone 3

A cone has a diameter of x cm and a slant height of y cm. A square pyramid has a base side length of x cm and a slant height of y cm. Which has the greater surface area? Explain.

## Correct answer:

**Showing 1 comment:**

**Lucy**

Simple: because cone is inscribed into pyramid.

Hard - by formulas - compare surface areas and cancel by x,y.

Hard - by formulas - compare surface areas and cancel by x,y.

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