11 Note: Figure not drawn to scale. In the triangle shown, what is the value of cos x°?
Correct answer: 28 (parsed from the explanation — this source omits an answer key for this item)
Explanation
11 The correct answer is 28. The cosine of an acute angle in a right triangle is defined as the ratio of the length of the leg adjacent to the angle to the length of the hypotenuse. In the triangle shown, the length of the leg adjacent to the angle with ° 28 measure x is 11 units and the length of the hypotenuse is units. Therefore, cos ° 11 the value of x is 28. Note that 11/28, .3928, .3929, 0.392, and 0.393 are examples of ways to enter a correct answer.
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