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.
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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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