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

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Calculation of an isosceles triangle.
See also our trigonometric triangle calculator.
See also our right triangle calculator.
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:
arithmeticplanimetricsbasic operations and conceptsUnits of physical quantitiesGrade of the word problem
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