Purchase Solution

Geometry: trigonometry

Not what you're looking for?

Ask Custom Question

2. The angle of elevation of a 15-ft ladder is 70°. Find out how far the base of the ladder is from the wall.

3. A diagonal is drawn in a 12-in, square floor tile. Find the sine, cosine, and tangent of the angle formed by the diagonal and a side.

9. A gutter cleaner wants to reach a gutter 40 ft above the ground. Find the length of the shortest ladder that can be used if the steepest angle at which it can be leaned against the house has measure 75°.

Attachments
Purchase this Solution
Solution Summary

The expert examines finding sides by using proportions of similar triangle's sides and trigonometry formulas.

Solution provided by:
Chris Busu, PhD (IP)
Education
  • BSc, University of Bucharest
  • MSc, Ovidius
  • MSc, Stony Brook
  • PhD (IP), Stony Brook
Recent Feedback
  • "Thank you "
  • "Thank You Chris this draft really helped me understand correlation."
  • "Thanks for the prompt return. Going into the last meeting tonight before submission. "
  • "Thank you for your promptness and great work. This will serve as a great guideline to assist with the completion of our project."
  • "Thanks for the product. It is an excellent guideline for the group. "
Purchase this Solution
Free BrainMass Quizzes
Exponential Expressions

In this quiz, you will have a chance to practice basic terminology of exponential expressions and how to evaluate them.

Graphs and Functions

This quiz helps you easily identify a function and test your understanding of ranges, domains , function inverses and transformations.

Multiplying Complex Numbers

This is a short quiz to check your understanding of multiplication of complex numbers in rectangular form.

Probability Quiz

Some questions on probability

Geometry - Real Life Application Problems

Understanding of how geometry applies to in real-world contexts

View More Free Quizzes
Related BrainMass Solutions

  • Perpendicular lines - Geometry and Coordinate Geometry

    Then from Trigonometry, we have the formula: tan theta = |m1 - m2| /(1 + m1m2) Let's consider two special cases now.

  • Free Body Diagram of a Crane

    The second part of the problem is triangle geometry, requiring some trigonometry. The answer assumes you have a basic understanding of trigonometry and basic algebra.

  • Geometry - Practice Problem

    Solution is provided in steps to help determine the given geometry problem.

  • Trigonometry Word Problems and Geometry

    Trigonometry Word Problems and Geometry problems are solved.

  • Importance of Teaching Geometry

    Geometry is more than just a fundamental building block for the higher mathematics subjects such as algebra, trigonometry, calculus and differiential equations.

  • Geometry : Triangle in a Cone

    We see that, using Pythagoras theorem: Then subtracting the second equation from the first we obtain: From trigonometry: Therefore: A geometry proof is provided. The solution is detailed and well presented.

  • Trigonometry and Geometry Word Problems

    91300 Trigonometry and Geometry Word Problems 3) A building 210 feet tall casts a 90 foot long shadow.

  • Geometry's Role in High School Curriculum

    My mom teaches in a "traditional" setting where students are placed in a curriculum that includes Pre-Algebra, Algebra, Geometry, Algebra II/Trigonometry, Pre-Calc, Calculus (the same curriculum I went through).

  • Importance of Geometry in High School

    My mom teaches in a "traditional" setting where students are placed in a curriculum that includes Pre-Algebra, Algebra, Geometry, Algebra II/Trigonometry, Pre-Calc, Calculus (the same curriculum I went through).

  • Triangles and Squares

    Use a geometry utility if available. Draw several kinds of triangles including a right triangle. Draw a square on each of the sides of the triangles.

View More Related Solutions