Given a = 12,b = 14,and C = 7,use the Law

question 31

Multiple Choice

Given a = 12,b = 14,and c = 7,use the Law of Cosines to solve the triangle for the value of A.Round your answer to two decimal places. ​

• A)80.44°
• B)91.02°
• C)58.98°
• D)29.99°
• E)60.33°

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Definitions:

Voltage Drop

The reduction in voltage as electric current moves through a component or conductor, due to its inherent resistance or impedance.

Resistance

The opposition that a substance offers to the flow of electric current.

Resistance

A measure of how much a material or device resists the passage of an electrical current, resulting in electrical energy being converted into heat.

Force

An interaction that, when unopposed, will change the motion of an object. It can cause an object with mass to change its velocity.