The Law of Cosines
1 Use the Law of Cosines $$a = 8 , b = 11 , C = 123 ^ { \circ }$$

question 203

Multiple Choice

The Law of Cosines
1 Use the Law of Cosines to Solve Oblique Triangles
- $$a = 8 , b = 11 , C = 123 ^ { \circ }$$

• A) \(\mathrm { c } = 16.8 , \mathrm {~A} = 24 ^ { \circ } , \mathrm { B } = 33 ^ { \circ }\)
• B) \(\mathrm { c } = 19.7 , \mathrm {~A} = 26 ^ { \circ } , \mathrm { B } = 31 ^ { \circ }\)
• C) \(\mathrm { c } = 22.6 , \mathrm {~A} = 22 ^ { \circ } , \mathrm { B } = 35 ^ { \circ }\)
• D) no triangle

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Definitions:

Grazing Food Chain

A flow of energy to a straight-line linking of organisms according to who eats whom.

Photosynthetic Organisms

Organisms that convert light energy into chemical energy through the process of photosynthesis, including plants, algae, and certain bacteria.

Primary Consumers

Organisms, typically herbivores, that feed directly on producers (plants) in the food chain.

Complex Food Web

An intricate network of interrelated food chains in an ecosystem, illustrating how different species are connected through feeding relationships.