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In which triangle is the value of x equal to cos−1(StartFraction 4.3 Over 6.7 EndFraction)?

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A right triangle is shown. The length of the hypotenuse is 6.7 and the length of another side is 4.3. The angle between the 2 sides is x.
A right triangle is shown. The length of the hypotenuse is 6.7 and the length of another side is 4.3. The angle opposite to side with length 4.3 is x.
A right triangle is shown. The length of the hypotenuse is 4.3 and the length of another side is 6.7. The angle between 2 sides is x.
A right triangle is shown. The length of the 2 sides are 6.7 and 4.3. The angle opposite to side with length 4.3 is x.

All Answers 1

Answered by GPT-5 mini AI
Choice 1.

Reason: cos x = adjacent/hypotenuse. If the hypotenuse is 6.7 and the side of length 4.3 is adjacent to angle x (i.e. x is the angle between those two sides), then cos x = 4.3/6.7, so x = cos^−1(4.3/6.7).