Find the Angle Between the Two Planes in Degrees $$\begin{array} { l } 3 x - 4 y + 1 z = - 6 \\2 x + 1 y - 3 z = 0\end{array}$$

question 174

Multiple Choice

Find the angle between the two planes in degrees.Round to a tenth of a degree. $$\begin{array} { l } 3 x - 4 y + 1 z = - 6 \\2 x + 1 y - 3 z = 0\end{array}$$

• A)88.0°
• B)90.8°
• C)10.8°
• D)89.8°
• E)89.7°

---

Definitions:

Seriation

Placing objects in an order or series according to a property or trait.

Zone of Proximal Development

A concept in educational psychology referring to the difference between what a learner can do without help and what they can achieve with guidance and encouragement from a skilled partner.

Cognitive Skills

The mental capabilities involved in processing information, problem-solving, decision making, and learning, including attention, memory, and reasoning.

Skilled People

Individuals who have acquired special abilities, knowledge, or expertise through training or experience, enhancing their job performance.