### Create a StudySoup account

#### Be part of our community, it's free to join!

Already have a StudySoup account? Login here

# Class Note for MATH 1330 with Professor Flagg at UH

### View Full Document

## 19

## 0

## Popular in Course

## Popular in Department

This 3 page Class Notes was uploaded by an elite notetaker on Friday February 6, 2015. The Class Notes belongs to a course at University of Houston taught by a professor in Fall. Since its upload, it has received 19 views.

## Reviews for Class Note for MATH 1330 with Professor Flagg at UH

### What is Karma?

#### Karma is the currency of StudySoup.

#### You can buy or earn more Karma at anytime and redeem it for class notes, study guides, flashcards, and more!

Date Created: 02/06/15

Math 1330 Section 72 Area Area of a Triangle Given any triangle not necessarily a right triangle where we know the length of two of the sides and the measure of the acute angle in between them we can calculate the area of the triangle by the following formula A ab sint9 A I b Note that asin0 is equal to the height of the triangle So the formula is a simple application of the area of a triangle formula area equals onehalf base times height The formula is valid even if the angle is not acute Example 1 Find the area ofa triangle with sides oflength 4 cm and 6 cm and a 45 degree angle between these two sides Area of a Segment ofa Circle A The sector of the circle is the wedge intercepted by angle theta It consists of two pieces triangle ABC and the segment bounded by the chord AB and the arc of the circle intercepted by this chord The area of triangle ABC is Area r2 sint9 The area ofthe sector intercepted by angle 6 is Area r20 So the area ofthe segment is Area segment 12 12 rt9 r s1nt9 2 2 Example 2 Find the area ofa segment ofa circle of radius 4 cm made from a 60 degree angle Area of a Regular Polygon We can use these area formulas to nd the area of a regular polygon inscribed in a circle of radius r A regular ngon is a gure with 11 equal sides and 11 equal angles Square 7 four sides Pentagon 7 ve sides Hexagon 7 six sides Octagon 7 eight sides Nonagon 7 nine sides Decagon 7ten sides Dodecahedron 7twelve sides Example 3 Find the area of the regular hexagon inscribed in a circle of radius 12 cm Example 4 Find the area of a regular octagon with sides of length 8 cm

### BOOM! Enjoy Your Free Notes!

We've added these Notes to your profile, click here to view them now.

### You're already Subscribed!

Looks like you've already subscribed to StudySoup, you won't need to purchase another subscription to get this material. To access this material simply click 'View Full Document'

## Why people love StudySoup

#### "Knowing I can count on the Elite Notetaker in my class allows me to focus on what the professor is saying instead of just scribbling notes the whole time and falling behind."

#### "I bought an awesome study guide, which helped me get an A in my Math 34B class this quarter!"

#### "I was shooting for a perfect 4.0 GPA this semester. Having StudySoup as a study aid was critical to helping me achieve my goal...and I nailed it!"

#### "Their 'Elite Notetakers' are making over $1,200/month in sales by creating high quality content that helps their classmates in a time of need."

### Refund Policy

#### STUDYSOUP CANCELLATION POLICY

All subscriptions to StudySoup are paid in full at the time of subscribing. To change your credit card information or to cancel your subscription, go to "Edit Settings". All credit card information will be available there. If you should decide to cancel your subscription, it will continue to be valid until the next payment period, as all payments for the current period were made in advance. For special circumstances, please email support@studysoup.com

#### STUDYSOUP REFUND POLICY

StudySoup has more than 1 million course-specific study resources to help students study smarter. If you’re having trouble finding what you’re looking for, our customer support team can help you find what you need! Feel free to contact them here: support@studysoup.com

Recurring Subscriptions: If you have canceled your recurring subscription on the day of renewal and have not downloaded any documents, you may request a refund by submitting an email to support@studysoup.com

Satisfaction Guarantee: If you’re not satisfied with your subscription, you can contact us for further help. Contact must be made within 3 business days of your subscription purchase and your refund request will be subject for review.

Please Note: Refunds can never be provided more than 30 days after the initial purchase date regardless of your activity on the site.