# ABCDEFGH 82499

In the cube ABCDEFGH, the area of triangle ABK is √20 cm

^{2}. How much cm^{2}is the volume of ABGH in a cube if you know that K is the midpoint of edge CG?## Correct answer:

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

**arithmetic**- square root
**solid geometry**- space diagonal
- surface area
**planimetrics**- right triangle
- area of a shape
- triangle
- square
- diagonal
- rectangle

### Units of physical quantities:

### Grade of the word problem:

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