Triangle in a square
In a square ABCD with side a = 6 cm, point E is the center of side AB, and point F is the center of side BC. Calculate the size of all angles of the triangle DEF and the lengths of its sides.
Correct answer:
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The Pythagorean theorem is the base for the right triangle calculator.
See also our trigonometric triangle calculator.
See also our trigonometric triangle calculator.
You need to know the following knowledge to solve this word math problem:
- algebra
- expression of a variable from the formula
- planimetrics
- Pythagorean theorem
- triangle
- square
- diagonal
- goniometry and trigonometry
- sine
- cosine
- arcsine
- arccosine
Units of physical quantities:
Grade of the word problem:
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