Digital ACT Math Practice Question #2033
Test your problem-solving accuracy on this official-caliber item. Select an answer choice to check your reasoning instantly.
Pythagorean triple (20, 21, 29) -> cos(x) = 21/29.
Draw a right triangle: opposite = 20, hypotenuse = 29. By the Pythagorean theorem, adjacent = sqrt(29^2 - 20^2) = 21. Thus cos(x) = 21/29....
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