Solve the Triangle $$\beta = 10 ^ { \circ } , \quad \gamma = 100 ^ { \circ } , \quad \mathrm { a } = 4$$

question 84

Multiple Choice

Solve the triangle.
- $$\beta = 10 ^ { \circ } , \quad \gamma = 100 ^ { \circ } , \quad \mathrm { a } = 4$$

• A) \(\alpha = 70 ^ { \circ } , \mathrm { b } = 1.74 , \mathrm { c } = 4.19\)
• B) \(\alpha = 70 ^ { \circ } , \mathrm { b } = 5.19 , \mathrm { c } = 0.74\)
• C) \(\alpha = 70 ^ { \circ } , \mathrm { b } = 4.19 , \mathrm { c } = 0.74\)
• D) \(\alpha = 70 ^ { \circ } , \mathrm { b } = 0.74 , \mathrm { c } = 4.19\)

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Definitions:

Eardrum

A thin membrane that separates the outer ear from the middle ear, vibrating in response to sound waves and aiding in hearing.

Temporal Bone

A bone of the skull that surrounds the ear, contributing to the protection of the inner ear structures and supporting facial muscles.

Pinna

The visible part of the ear that is outside the head, responsible for capturing sound vibrations and funneling them into the ear canal.

Optic Chiasma

A structure located at the base of the brain where the optic nerves partially cross, allowing for the integration of visual information from both eyes.