Apply trigonometry to general triangles9. (+) Derive the formula A = 1/2 ab sin(C) for the area of a triangle by drawing an auxillary line from a vertex perpendicular to the opposite side.

State Standard

CCSS

Grade Level

9 10 11 12

Learning Targets

Long Term Learning Target: I can derive the formula for the area of a triangle using trigonometric ratios and the Pythagorean Theorem.

Target ID

2 734

Assessments

Supporting Targets

Discipline

Mathematics