Right-angled 66364
From a rectangular board with dimensions of 2 m and 3 m, we cut isosceles right-angled triangles at the corners with an overhang of 40 cm. Calculate the ratio of the areas of the rest of the board to its total original area.
Correct answer:

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Calculation of an isosceles triangle.
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Check out our ratio calculator.
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Tip: Our volume units converter will help you convert volume units.
Calculation of an isosceles triangle.
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
- arithmetic
- subtraction
- planimetrics
- right triangle
- area of a shape
- triangle
- rectangle
- basic functions
- ratio
- numbers
- fractions
Units of physical quantities:
Grade of the word problem:
We encourage you to watch this tutorial video on this math problem: video1
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