Skip to main content

My Courses

Chemistry

Biology

Math

Physics

Business

Social Sciences

Programming

Product & Marketing

My Course
Learn
Explore
Bookmarks

Table of contents

Skip to main content

0. Review of College Algebra4h 43m
1. Measuring Angles39m
2. Trigonometric Functions on Right Triangles2h 5m
3. Unit Circle1h 19m
4. Graphing Trigonometric Functions1h 19m
5. Inverse Trigonometric Functions and Basic Trigonometric Equations1h 41m
6. Trigonometric Identities and More Equations2h 34m
7. Non-Right Triangles1h 38m
8. Vectors2h 25m
9. Polar Equations2h 5m
10. Parametric Equations1h 6m
11. Graphing Complex Numbers1h 7m

7. Non-Right Triangles

Law of Cosines

Trigonometry7. Non-Right TrianglesLaw of Cosines

4:19 minutes

Problem 25

Textbook Question

Textbook Question

In Exercises 25–30, use Heron's formula to find the area of each triangle. Round to the nearest square unit. a = 4 feet, b = 4 feet, c = 2 feet

Verified Solution

This video solution was recommended by our tutors as helpful for the problem above

Video duration:

4m

Play a video:

221

views

Was this helpful?

Related Videos

Related Practice

Intro to Law of Cosines

Intro to Law of Cosines

Solving SAS & SSS Triangles

Solving SAS & SSS Triangles

Using the Law of Cosines (SSS) to find an angle

Using the Law of Cosines (SSS) to find an angle

The Law of Cosines

The Law of Cosines

Professor Dave Explains

Mario's Math Tutoring

Law of cosines - Trig identities and examples

Law of cosines - Trig identities and examples

Using the law of cosines for a triangle with SAS

Using the law of cosines for a triangle with SAS

The Cosine Rule (2 of 3: Basic Example of Finding Sides)

The Cosine Rule (2 of 3: Basic Example of Finding Sides)

Showing 1 of 8 videos

Download the Mobile app

Do not sell my personal information

© 1996–2024 Pearson All rights reserved.