Proving the Formula A = 1/2 ab sin(C)
Aligned To Common Core Standard:
Trigonometry - HSG-SRT.D.9
Printable Worksheets And Lessons
- Area of a Triangle
Step-by-step Lesson - Find the area of a triangular area. This
has many applications in the real world.
- Guided Lesson
- This is more theoretical than anything they have seen before.
Might be too abstract for some students.
- Guided Lesson Explanation
- This all comes down to knowing how to manipulate three theorems
and going from there.
- Practice Worksheet
- I slaved over this one. I took me forever to think up these problems.
- Matching Worksheet
- Two of these problems really throw kids. Remind them to read carefully.
View Answer Keys- All the answer keys in one file.
I had a really difficult time finding any quality examples of this skill in test form.
It time to start using Flashcards so that you can memorize the basic rules of this skill.
Math Skill Quizzes
These question go in several directions, but are of the same root skill.