Math  /  Trigonometry

QuestiontanA\tan A in this figure is \qquad a 43\frac{4}{3} b 35\frac{3}{5}
C 34\frac{3}{4} d 45\frac{4}{5}

Studdy Solution

STEP 1

1. We are dealing with a right triangle.
2. The sides of the triangle are labeled 18, 24, and 30.
3. Angle A A is opposite the side measuring 18.
4. Angle A A is adjacent to the side measuring 24.
5. We need to find tanA\tan A.

STEP 2

1. Identify the opposite and adjacent sides relative to angle A A .
2. Use the definition of tangent for a right triangle.
3. Calculate tanA\tan A using the identified sides.
4. Compare the calculated value with the given options.

STEP 3

Identify the opposite and adjacent sides relative to angle A A :
- The opposite side to angle A A is 18. - The adjacent side to angle A A is 24.

STEP 4

Use the definition of tangent for a right triangle:
tanA=opposite sideadjacent side\tan A = \frac{\text{opposite side}}{\text{adjacent side}}

STEP 5

Calculate tanA\tan A using the identified sides:
tanA=1824\tan A = \frac{18}{24}
Simplify the fraction:
tanA=34\tan A = \frac{3}{4}

STEP 6

Compare the calculated value with the given options:
- Option a: 43\frac{4}{3} - Option b: 35\frac{3}{5} - Option c: 34\frac{3}{4} - Option d: 45\frac{4}{5}
The calculated value 34\frac{3}{4} matches option c.
The value of tanA\tan A is:
34\boxed{\frac{3}{4}}

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