Solve the Problem. -The Sum of the Angles of a Triangle Is 180°

question 324

Multiple Choice

Solve the problem.
-The sum of the angles of a triangle is 180°. Find the three angles of the triangle if one angle is three times the smallest angle and the third angle is 30° greater than the smallest angle.

• A)12°, 42°, 126°
• B)30°, 90°, 60°
• C)12°, 36°, 132°
• D)21°, 63°, 96°

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Definitions:

Electron Shells

Electron shells are layers of electrons that surround the nucleus of an atom, where each shell has a different energy level.

Silicon

A chemical element with the symbol Si, known for its semiconductor properties and used extensively in electronic devices.

Anions

Negatively charged ions that are formed when an atom gains one or more electrons, commonly found in various chemical reactions and solutions.

Electrons

Electrons are subatomic particles with a negative charge, found in all atoms, and play a key role in chemical reactions and electricity.