1. Solving Right Triangles
Geometry Right Triangles Lesson 6

2. Solving Right Triangles – Notesx
𝐬𝐢𝐧 𝟒𝟐= 𝒙 𝟐𝟓
𝐭𝐚𝐧 𝟕𝟓= 𝟏𝟐 𝒙
When _____ is high, you ______________!
When ____ is low, _______________ it, yo! O A H A
(𝟐𝟓)(𝐬𝐢𝐧 𝟒𝟐)=𝒙
𝒙 = 𝟏𝟐 𝐭𝐚𝐧 𝟕𝟓 H
multiply O x O H
divide H A
𝐜𝐨𝐬 𝟑𝟔= 𝟏𝟗 𝒙 O A
𝐭𝐚𝐧 𝟓𝟑= 𝒙 𝟕
𝒙 = 𝟏𝟗 𝐜𝐨𝐬 𝟑𝟔
(𝟕)(𝐭𝐚𝐧 𝟓𝟑)=𝒙

3. Solving Right Triangles – Notes
𝐭𝐚𝐧 𝒙= 𝟗 𝟐𝟎
𝐜𝐨𝐬 𝒙= 𝟏𝟕 𝟑𝟐 A O H
tan −𝟏 𝟗 𝟐𝟎
Go ________!
cos −𝟏 𝟏𝟕 𝟑𝟐 H O A
blue A H O
𝐭𝐚𝐧 𝒙= 𝟏𝟑 𝟏𝟖 A
𝐬𝐢𝐧 𝒙= 𝟐𝟏 𝟐𝟖 H O
sin −𝟏 𝟐𝟏 𝟐𝟖
tan −𝟏 𝟏𝟑 𝟏𝟖

4. Solving Right Triangles – Notes
missing
pieces
Pythagorean
Theorem
Triangle
Angle
Sum