Diagonals
Calculate the length of the rhombus's diagonals if its side is long 21 and one of its internal angles is 10°.
Correct answer:
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The Pythagorean theorem is the base for the right triangle calculator.
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Try conversion angle units angle degrees, minutes, seconds, radians, grads.
Cosine rule uses trigonometric SAS triangle calculator.
See also our trigonometric triangle calculator.
Try conversion angle units angle degrees, minutes, seconds, radians, grads.
You need to know the following knowledge to solve this word math problem:
- arithmetic
- square root
- planimetrics
- Pythagorean theorem
- polygon
- triangle
- rhombus
- diagonal
- The Law of Cosines
- goniometry and trigonometry
- cosine
Units of physical quantities:
Grade of the word problem:
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