The Length of Each of Two Sides of an Isosceles

question 6

Multiple Choice

The length of each of two sides of an isosceles triangle is cm. The third side measures cm. Find the perimeter of the triangle.

• A) cm
• B) cm
• C) cm
• D) cm
• E) cm

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Definitions:

Electron

A subatomic particle with a negative charge, found in the electron clouds surrounding the nucleus of an atom.

Line Spectra

Line spectra are the emission or absorption of light at specific wavelengths by atoms or molecules transitioning between energy levels, resulting in distinct lines characteristic of the substance.

Quantized Energy Levels

The concept in quantum mechanics that energy levels in atoms and molecules are discrete, not continuous.