The two triangular prisms shown are similar.
Two similar pyramids have base areas of 12.2 cm2 and 16 cm2. The surface area of the larger pyramid is 56 cm2.What is the surface area of the smaller pyramid?
The radius of the large sphere is three times longer than the radius of the small sphere.




A cube has an edge length of 9 centimeters.
A square pyramid has a base side length of 20.4 cm and a height of 18.2 cm. Which square pyramid is similar?
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