Math Problem Statement

a cone-shaped play tent has a radius of 4 feet and a slant height of 7 feet.If Joe is six feet tall,which following statement is true Joe is shorter than the tent Joe is taller than the tent Joe is the same size as the tent

Solution

To determine which statement is true, we calculate the height of the cone-shaped tent. The height hh of the cone can be found using the Pythagorean theorem, as the radius (rr), height (hh), and slant height (ll) of the cone form a right triangle:

l2=r2+h2l^2 = r^2 + h^2

Given:

  • Radius (rr) = 4 feet
  • Slant height (ll) = 7 feet

Calculation:

72=42+h27^2 = 4^2 + h^2 49=16+h249 = 16 + h^2 h2=4916=33h^2 = 49 - 16 = 33 h=335.74feeth = \sqrt{33} \approx 5.74 \, \text{feet}

Comparison:

  • Joe is 6 feet tall.
  • The height of the tent is approximately 5.74 feet.

Since Joe's height (66 feet) is greater than the height of the tent (5.745.74 feet):

Joe is taller than the tent.


Would you like further details or a breakdown of the Pythagorean theorem?

Relative Questions:

  1. How is the slant height related to the radius and height in a cone?
  2. What are some real-life examples where the Pythagorean theorem is applied?
  3. How can you calculate the surface area of a cone with the given dimensions?
  4. What is the volume of this cone-shaped tent?
  5. How would the height change if the radius was doubled?

Tip:

Always verify whether the given slant height is for the cone or a separate measurement to avoid confusion.

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Math Problem Analysis

Mathematical Concepts

Geometry
Pythagorean Theorem
Trigonometry

Formulas

l^2 = r^2 + h^2

Theorems

Pythagorean Theorem

Suitable Grade Level

Grades 7-9