Solve for the Unknown Part

question 56

Multiple Choice

Solve for the unknown part.. Round to one decimal place. b² = (7) ² + (6) ² - 2(7) (6) cos(67°)

• A) b = 7.2
• B) b = 8.0
• C) b = 8.6
• D) b = 9.4

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Definitions:

Earth Friendly

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Self-grounding

A technique used to prevent electrostatic discharge (ESD) by touching a grounded object before handling sensitive electronic components.

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A device designed to protect electronic equipment from voltage spikes by blocking or shorting to ground any unwanted voltages above a safe threshold.