In which triangle is the value of x equal to cos−1(StartFraction 4. 3 Over 6. 7 EndFraction)? (Images may not be drawn to scale. ) 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.