The problem asks to find the tangent of the two acute angles, $M$ and $N$, in a given right triangle $MNL$. The lengths of the sides are given as $ML = 8$, $NL = 6$, and $MN = 10$. We need to express the tangents as both a fraction and a decimal rounded to 4 decimal places.

GeometryTrigonometryRight TrianglesTangentRatios
2025/4/14

1. Problem Description

The problem asks to find the tangent of the two acute angles, MM and NN, in a given right triangle MNLMNL. The lengths of the sides are given as ML=8ML = 8, NL=6NL = 6, and MN=10MN = 10. We need to express the tangents as both a fraction and a decimal rounded to 4 decimal places.

2. Solution Steps

The tangent of an angle in a right triangle is defined as the ratio of the length of the side opposite to the angle to the length of the side adjacent to the angle.
For angle MM:
The side opposite to MM is NLNL, which has a length of

6. The side adjacent to $M$ is $ML$, which has a length of

8. Therefore,

tan(M)=NLML=68=34tan(M) = \frac{NL}{ML} = \frac{6}{8} = \frac{3}{4}
To convert this fraction to a decimal, we divide 3 by 4:
tan(M)=34=0.7500tan(M) = \frac{3}{4} = 0.7500
For angle NN:
The side opposite to NN is MLML, which has a length of

8. The side adjacent to $N$ is $NL$, which has a length of

6. Therefore,

tan(N)=MLNL=86=43tan(N) = \frac{ML}{NL} = \frac{8}{6} = \frac{4}{3}
To convert this fraction to a decimal, we divide 4 by 3:
tan(N)=43=1.333333...tan(N) = \frac{4}{3} = 1.333333...
Rounding to 4 decimal places, we have:
tan(N)1.3333tan(N) \approx 1.3333

3. Final Answer

tanM=34=0.7500tan M = \frac{3}{4} = 0.7500
tanN=431.3333tan N = \frac{4}{3} \approx 1.3333

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