Quadrilateral 21523
Calculate the surface area and volume of a regular quadrilateral pyramid if the edge of the lower base is 18 cm and the edge of the upper base is 15 cm. The wall height is 9 cm.
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- arithmetic
- square root
- square (second power, quadratic)
- solid geometry
- pyramid
- surface area
- planimetrics
- Pythagorean theorem
- right triangle
- square
Units of physical quantities:
Grade of the word problem:
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