Can you solve this pier puzzle?

Can you solve this pier puzzle?

Assessment

Interactive Video

Mathematics

9th - 10th Grade

Hard

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The video tutorial explores the problem of minimizing the path between two towns, Mordor and Hogsmeade, by building a pier. It discusses both mathematical and geometric approaches to solve the problem, highlighting the elegance of using geometry and reflections. The tutorial concludes with a reflection on the importance of math in physics and encourages viewers to engage with more brain teasers.

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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the main objective when building the pier between Mordor and Hogsmeade?

To build the pier as far from the towns as possible

To maximize the distance between the towns

To minimize the total distance traveled

To use the most material possible

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which mathematical concept is primarily used in the geometric solution to the pathfinding problem?

Trigonometry

Reflection and similar triangles

Algebra

Calculus

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does reflecting Mordor across the shoreline help in solving the problem?

It creates a new path that is longer

It helps in visualizing the shortest path as a straight line

It eliminates the need for a pier

It doubles the distance between the towns

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the narrator's opinion on the geometric solution to the problem?

It is overly complicated

It is less effective than calculus

It requires advanced mathematics

It is elegant and simple

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to the narrator, which branch of math has changed the way they think?

Calculus

Statistics

Algebra

Geometry