How many interior faces does this composite figure have?

Two rectangular prisms meet to form a right angle. Nested in that angle is a right triangular prism. Attached to the right lateral face of the back rectangular prism is a square base pyramid.

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Question

How many interior faces does this composite figure have?

Two rectangular prisms meet to form a right angle. Nested in that angle is a right triangular prism. Attached to the right lateral face of the back rectangular prism is a square base pyramid.

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anonymous · Answer

will give FAN

anonymous · Answer

also on What is the new volume of a rectangular prism that is originally one thousand two hundred fifty cubic meters and is then resized using a scale factor of one-fifty on each side length?

 two cubic meters

 ten cubic meters

 fifty cubic meters

 two hundred fifty cubic meters

anonymous · Answer

@midhun.madhu1987 im sorry to use you again but i REALLY need help