Triangular prism

The base of a right triangular prism is a right triangle with hypotenuse 14 cm and one leg 9 cm. The height of the prism equals 2/9 of the base's perimeter. Calculate the surface area of the prism.

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You need to know the following knowledge to solve this word math problem:

arithmetic

square root

solid geometry

surface area
prism

planimetry

Pythagorean theorem
right triangle
area of a shape
triangle
rectangle

Grade of the word problem

practice for 14 year olds
high school

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