Triangles in Real Life

Triangles in Real Life

Triangles in Real Life

Triangles in Real Life

Today’s Objectives

Review right triangle trigonometry and triangle postulates

Today’s Objectives

Review right triangle trigonometry and triangle postulates

Use right triangle trigonometry to develop the law of cosines

Today’s Objectives

Review right triangle trigonometry and triangle postulates

Use right triangle trigonometry to develop the law of cosines

Use the law of cosines to solve problems

Review

A

BC

Review

A

BCa = 8 cm

c = 10 cm

θ = ?

Review

A

BC

b = ?

a = 8 cm

c = 10 cm

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A

BC

b = ?

a = 8 cm

c = 10 cm

θ = ?