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21. A right pyramid has a surface area of 258 cm-. A right cone has a base radius of 4 cm. The cone and pyramid have equal surface areas. What is the height of the cone to the nearest tenth of a centimetre?
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21. A right pyramid has a surface area of 258 cm-.

A right cone has a base radius of 4 cm. The
cone and pyramid have equal surface areas.
What is the height of the cone to the nearest
tenth of a centimetre?

User RaviU
by
8.3k points

1 Answer

6 votes

Answer:

4/7 4 by 12

Explanation:

User Entropyfeverone
by
7.5k points
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