Mrs. Rivas Worksheet Practice 12-4 𝒙°= 𝟖𝟖+𝟖𝟔 𝟐 𝒙°= 𝟏𝟕𝟒 𝟐 𝒙°=𝟖𝟕° Ida S. Baker H.S. Worksheet Practice 12-4 𝒙°= 𝟖𝟖+𝟖𝟔 𝟐 𝒙°= 𝟏𝟕𝟒 𝟐 𝒙°=𝟖𝟕°

Mrs. Rivas Worksheet Practice 12-4 𝒙°= 𝟗𝟎−𝟐𝟎 𝟐 𝒙°= 𝟕𝟎 𝟐 𝒙°=𝟑𝟓° Ida S. Baker H.S. Worksheet Practice 12-4 𝒙°= 𝟗𝟎−𝟐𝟎 𝟐 𝒙°= 𝟕𝟎 𝟐 𝒙°=𝟑𝟓°

Mrs. Rivas Worksheet Practice 12-4 𝒙°= 𝟏𝟓𝟎−𝟔𝟎 𝟐 𝒙°= 𝟗𝟎 𝟐 𝒙°=𝟒𝟓° Ida S. Baker H.S. Worksheet Practice 12-4 𝒙°= 𝟏𝟓𝟎−𝟔𝟎 𝟐 𝒙°= 𝟗𝟎 𝟐 𝒙°=𝟒𝟓°

Mrs. Rivas Worksheet Practice 12-4 𝟔𝟎°= 𝟑𝟔𝟎−𝒙−𝒙 𝟐 𝟐∙𝟔𝟎°= 𝟑𝟔𝟎−𝟐𝒙 𝟐 ∙𝟐 Ida S. Baker H.S. Worksheet Practice 12-4 𝟔𝟎°= 𝟑𝟔𝟎−𝒙−𝒙 𝟐 𝟑𝟔𝟎−𝒙 𝟐∙𝟔𝟎°= 𝟑𝟔𝟎−𝟐𝒙 𝟐 ∙𝟐 𝟔𝟎°= 𝟑𝟔𝟎−𝟐𝒙 𝟐 𝟏𝟐𝟎°=𝟑𝟔𝟎−𝟐𝒙 −𝟐𝟒𝟎°=−𝟐𝒙 𝟏𝟐𝟎°=𝒙

Mrs. Rivas Worksheet Practice 12-4 𝟑𝟖°= 𝟐𝟐𝟎−𝒙−𝒙 𝟐 𝟐∙𝟑𝟖°= 𝟐𝟐𝟎−𝟐𝒙 𝟐 ∙𝟐 Ida S. Baker H.S. Worksheet Practice 12-4 𝟐𝟐𝟎−𝒙 𝟑𝟖°= 𝟐𝟐𝟎−𝒙−𝒙 𝟐 𝟐∙𝟑𝟖°= 𝟐𝟐𝟎−𝟐𝒙 𝟐 ∙𝟐 𝟔𝟎°= 𝟐𝟐𝟎−𝟐𝒙 𝟐 𝟑𝟔𝟎−𝟏𝟒𝟎=𝟐𝟐𝟎 𝟕𝟔°=𝟐𝟐𝟎−𝟐𝒙 −𝟏𝟒𝟒°=−𝟐𝒙 𝟕𝟐°=𝒙

Mrs. Rivas Worksheet Practice 12-4 𝟐∙𝟗𝟎°= 𝒙−𝟔 𝟐 ∙𝟐 𝟗𝟎°= 𝒙−𝟔 𝟐 𝟗𝟎°= Ida S. Baker H.S. Worksheet Practice 12-4 𝟐∙𝟗𝟎°= 𝒙−𝟔 𝟐 ∙𝟐 𝟗𝟎°= 𝒙−𝟔 𝟐 𝟗𝟎°= 𝟏𝟖𝟎°=𝒙−𝟔 𝟏𝟖𝟔°=𝒙

International Studies Charter School Mrs. Rivas International Studies Charter School Pg. 794-796 # 8-12 Even, 16-20 Even, 24, 26, 32, and 34

International Studies Charter School Mrs. Rivas International Studies Charter School 𝑥= 1 2 160−68 𝒙=𝟒𝟔

International Studies Charter School Mrs. Rivas International Studies Charter School 50= 1 2 160−𝑥 (2) (2) 𝟔𝟎 100=160−𝑥 𝟏𝟒𝟎 −60=−𝑥 𝟔𝟎=𝒙 360−160−60=140 𝑦= 1 2 (140) 𝒚=𝟕𝟎

International Studies Charter School Mrs. Rivas International Studies Charter School 𝑥=180−35−30 𝟑𝟓 𝒙=𝟏𝟏𝟓 𝟑𝟎 𝟏𝟖𝟎 53= 1 2 180−𝑦 (2) (2) 106=180−𝑦 𝒚=𝟕𝟒

International Studies Charter School Mrs. Rivas International Studies Charter School 𝒙∙𝟐𝟔=𝟏𝟓∙𝟐𝟎 𝟐𝟔𝒙=𝟑𝟎𝟎 𝒙=𝟏𝟏.𝟓

International Studies Charter School Mrs. Rivas International Studies Charter School 𝒙(𝒙+(𝟔−𝒙)=𝟑(𝟑+ 𝟕−𝟑 ) 𝟔−𝒙 𝒙(𝟔)=𝟑(𝟑+𝟒) 𝟔𝒙=𝟐𝟏 𝟕−𝟑 𝒙=𝟑.𝟓

International Studies Charter School Mrs. Rivas International Studies Charter School 𝟏𝟏 𝟐 = 𝟕(𝟕+ 𝒙+𝟓 ) 𝟏𝟐𝟏=𝟕(𝟏𝟐+𝒙) 𝟏𝟐𝟏=𝟖𝟒+𝟕𝒙 𝟑𝟕=𝟕𝒙 9∙𝑦=5∙𝑥 𝒙≈𝟓.𝟑 9∙𝑦=5∙𝟓.𝟑 9𝑦=26.5 𝒚≈𝟐.𝟗

International Studies Charter School Mrs. Rivas International Studies Charter School 𝟐𝟓 𝟐 = 𝟏𝟓(𝟏𝟓+𝒅) 𝟔𝟐𝟓=𝟐𝟐𝟓+𝟏𝟓𝒅 𝟒𝟎𝟎=𝟏𝟓𝒅 𝒅≈𝟐𝟔.𝟕

International Studies Charter School Mrs. Rivas International Studies Charter School 𝒄 𝟐 = 𝒂 𝟐 + 𝒃 𝟐 𝟏𝟑 𝟐 = 𝟓 𝟐 + 𝒃 𝟐 𝒙 𝟏𝟐 𝟓 𝟏𝟔𝟗=𝟐𝟓+ 𝒃 𝟐 𝟏𝟒𝟒= 𝒃 𝟐 𝟏𝟐𝒙=𝟓∙𝟓 𝟏𝟒𝟒 =𝒃 𝟏𝟐𝒙=𝟐𝟓 𝟏𝟐=𝒃 𝒙=𝟐.𝟎𝟖 𝟏𝟐+𝟐.𝟎𝟖=𝟏𝟒.𝟏

International Studies Charter School Mrs. Rivas International Studies Charter School 𝟏𝟎 𝟐 =𝟔(𝟔+𝒙) 𝟏𝟎𝟎=𝟑𝟔+𝟔𝒙 𝟔𝟒=𝟔𝒙 𝒙≈𝟏𝟎.𝟕 𝒚 𝟐 =𝟔(𝟔+𝒙) 𝒚 𝟐 =𝟔(𝟔+𝟏𝟎.𝟕) 𝒚= 𝟏𝟎𝟎.𝟐 𝒚=𝟏𝟎

International Studies Charter School Mrs. Rivas International Studies Charter School 𝒄 𝟐 = 𝒂 𝟐 + 𝒙 𝟐 𝟏𝟐 𝟐 = 𝟓 𝟐 + 𝒙 𝟐 𝟓 𝒚 𝟏𝟒𝟒=𝟐𝟓+ 𝒙 𝟐 𝟏𝟎.𝟗 𝟏𝟏𝟗= 𝒙 𝟐 𝟏𝟎.𝟗𝒚=𝟓∙𝟓 𝟏𝟏𝟗 =𝒙 𝟏𝟎.𝟗𝒚=𝟐𝟓 𝟏𝟎.𝟗=𝒙 𝒚=𝟐.𝟑