ABCD
AC= 40cm , angle DAB=38 , angle DCB=58 , angle DBC=90 , DB is perpendicular on AC , find BD and AD
Correct answer:
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You need to know the following knowledge to solve this word math problem:
- planimetrics
- right triangle
- triangle
- The Law of Cosines
- The Law of Sines
- goniometry and trigonometry
- sine
- cosine
Units of physical quantities:
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