Area of Triangle and Parallelogram Using Trigonometry
Type:
CurriculumDescription:
A Tutorial and examples from Oswego City School District Regents Exam Prep Center
Subjects:
- Mathematics > General
- Mathematics > Geometry
Education Levels:
- Grade 9
- Grade 10
Keywords:
triangle areaLanguage:
EnglishAccess Privileges:
Public - Available to anyoneLicense Deed:
Creative Commons Attribution Non-CommercialCCSS.Math.Practice.MP1: Common Core State Standards for Mathematics
Make sense of problems and persevere in solving them.
CCSS.Math.Practice.MP2: Common Core State Standards for Mathematics
Reason abstractly and quantitatively.
CCSS.Math.Practice.MP5: Common Core State Standards for Mathematics
Use appropriate tools strategically.
CCSS.Math.Practice.MP6: Common Core State Standards for Mathematics
Attend to precision.
CCSS.Math.Practice.MP7: Common Core State Standards for Mathematics
Look for and make use of structure.
CCSS.Math.Content.HSG-SRT.D.9: Common Core State Standards for Mathematics
(+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxiliary line from a vertex perpendicular to the opposite side.
