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Help with Pythagorean Theorem?
If a right triangle has a hypotenuse of 8cm & a side of 4 cm, what is the length of the third side?
Please explain answer
2 Answers
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- TychaBraheLv 71 decade agoFavorite Answer
In a right triangle, a^2 + b^2 = c^2
4^2 + x^2 = 8^2
16 + x^2 = 64
x^2 = 48
x = 4sqrt(3) = 6.93
- 1 decade ago
use a^2 + b^2 = c^2, where a & b are sides, and c is the hypotenuse.
4^2 + b^2 = 8^2
simplify.
16 + b^2 = 64
b^2 = 48
b = SQRT(48)
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