Estimate tree height: 50 ft
First, you'd have to get the hypotenuse of the smaller triangle to get the base of the bigger triangle. This can easily be done using Pythagorean theorem (15^2 + 5^2 = hyp^2). The hyp of smaller triangle/base of bigger triangle is 15.81 ft. Then you'd also want to get the angle adjacent to the 5 ft leg, and opposite the 15 ft leg of the smaller triangle to get one of the two remaining angles of the bigger triangle. This can be done via sohcahtoa, using the TOA part. The inverse tangent of opposite/adj leg will give you the angle you're looking for (71.6 deg). With that, you'll know that the remaining angle is 18.4 deg (sum of all angles is 180). You can solve for the height of the tree/hypotenuse of the bigger triangle by using SOH. Sine of 18.4 is equal to 15.81/hypotenuse. Solving for that will give you around 50 ft.
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The answer would be B) x=1. The axis of symmetry is the (imaginary) line where the two sides of the parabola that runs through the center, creating two perfectly identical halves. Because the middle of this symmetry's x-value is 1, the axis of symmetry is 1.
Hope this helped :) (sorry if the wording is confusing, I'm nit very good at explaining things.)
Answer:
14
Step-by-step explanation:
6+8=14