Use a Calculator to Find the Acute Angle Between the Planes

question 127

Multiple Choice

Use a calculator to find the acute angle between the planes to the nearest thousandth of a radian.
-9x - 7y - 10z = -9 and- 3x + 10y - 10z = -9

• A) 1.557 rad
• B) 1.308 rad
• C) 0.014 rad
• D) 1.535 rad

---

Definitions:

Helmets

Protective headgear worn to reduce the risk of injury, especially in sports, construction, and transportation.

Opportunistic

Taking advantage of situations with little regard for principles or consequences, often to gain personal benefits or advantages.

Cinema

A movie theater where films are shown for public entertainment or the art of filmmaking itself.

Punctuation

The marks used in writing that clarify meaning by indicating separation of phrases, clauses, or to denote pauses.