Math Problem Statement

Example problem using the value of BC²+AD²-4ABE

Solution

Let's analyze a problem using the expression BC2+AD24ABEBC^2 + AD^2 - 4ABE.

Example Problem:

Given a rectangle ABCDABCD with the following dimensions:

  • AB = 4 units
  • BC = 3 units
  • AD = 4 units
  • BE = 2 units

Find the value of BC2+AD24ABEBC^2 + AD^2 - 4ABE.

Step-by-Step Solution:

  1. Calculate BC2BC^2: BC2=32=9BC^2 = 3^2 = 9

  2. Calculate AD2AD^2: Since ADAD is the same length as ABAB (4 units), we have: AD2=42=16AD^2 = 4^2 = 16

  3. Calculate 4ABE4ABE: Here, ABAB is 4 units and BEBE is 2 units. Thus: 4×AB×BE=4×4×2=324 \times AB \times BE = 4 \times 4 \times 2 = 32

  4. Substitute the values into the given expression: BC2+AD24ABE=9+1632BC^2 + AD^2 - 4ABE = 9 + 16 - 32

  5. Final Result: BC2+AD24ABE=2532=7BC^2 + AD^2 - 4ABE = 25 - 32 = -7

Thus, the value of BC2+AD24ABEBC^2 + AD^2 - 4ABE is -7.

Do you want more details or have any questions?

5 Related Questions:

  1. How would the result change if BEBE was increased to 3 units?
  2. What happens to the expression if ADAD and ABAB are not equal?
  3. Can the formula BC2+AD24ABEBC^2 + AD^2 - 4ABE be used for any quadrilateral?
  4. How does the expression relate to the Pythagorean theorem if EE is the midpoint?
  5. What does this expression geometrically represent?

Tip:

For any expression involving products of segments, ensure you have clear definitions and values for all dimensions before calculating.

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Math Problem Analysis

Mathematical Concepts

Geometry
Algebra

Formulas

BC² + AD² - 4ABE

Theorems

Pythagorean Theorem

Suitable Grade Level

Grades 8-10