Optimization of Triangle and Square Areas

Optimization of Triangle and Square Areas

Assessment

Interactive Video

Mathematics

9th - 12th Grade

Hard

Created by

Liam Anderson

FREE Resource

The video tutorial addresses an optimization problem involving a 100-foot wire. The wire is cut into two parts, with one part forming an equilateral triangle and the other a square. The goal is to determine the cut point that minimizes the combined area of the triangle and square. The tutorial derives the area formulas for both shapes and combines them to find the optimal solution.

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the total length of the wire given in the problem?

50 feet

100 feet

200 feet

150 feet

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What shapes are formed from the two parts of the wire?

A triangle and a square

A circle and a square

Two squares

Two triangles

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What variable is used to represent the length of the wire used for the triangle?

y

z

w

x

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the side length of the equilateral triangle expressed in terms of x?

x/3

x/2

x/4

x

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which theorem is used to derive the height of the equilateral triangle?

Pythagorean theorem

Remainder theorem

Fundamental theorem of calculus

Binomial theorem

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the formula for the area of an equilateral triangle in terms of its side length s?

s^2/2

s^2

sqrt(3)/4 * s^2

s^3

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How is the side length of the square expressed in terms of the remaining wire?

(100-x)/2

(100-x)/3

(100-x)/4

(100-x)/5

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