Module 4 - Topic 1 - Lesson 1 - Deriving the Triangle Area Formula, the Law of Sines, and the Law of Cosines
Essential Question(s):
When do you use the area formula, law of sines or law of cosines?
When do you use the area formula, law of sines or law of cosines?
Follow the steps to complete your notes and review the content.
STEP 1: Preparation
Title your spiral with the heading above, copy the essential question(s), and draw your border line for the Cornell notes.
Title your spiral with the heading above, copy the essential question(s), and draw your border line for the Cornell notes.
STEP 2: Textbook
Answer the follow questions by using your workbook. Read more than enough to ensure a complete answer to the question.
Following a Cornell notes format, the questions should be written in the left-hand column and with the answers to the right of the question.
Make sure to write enough to answer the question.
Answer the follow questions by using your workbook. Read more than enough to ensure a complete answer to the question.
Following a Cornell notes format, the questions should be written in the left-hand column and with the answers to the right of the question.
Make sure to write enough to answer the question.
Warm-up
- What are the three common trig ratios of a right triangle?
Activity 1.1
- What is the area of a triangle formula for any triangle?
Activity 1.2
- What is the law of sines formula?
Activity 1.3
- What is the law of cosines formula?
STEP 3: Self-check
Perform a self-check after the lesson is completed in class by asking yourself the following question:
"Can you answer the essential question(s) completely?"
Perform a self-check after the lesson is completed in class by asking yourself the following question:
"Can you answer the essential question(s) completely?"
- Yes? Awesome job! You took effective notes, and paid attention. You are on your way to success! :D
- No? Ok. We all have struggles. Determine why you said no, revise your notes and self-check again. Do not get discouraged.