Midterm Review Part II 38. 39.. Midterm Review Part II 40.
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Transcript of Midterm Review Part II 38. 39.. Midterm Review Part II 40.
Midterm Review Part II
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Isosceles Triangle = Base angles are
Equilateral Triangle = All angles are 60º
y – 10 = 60 x + 5 = 60
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5x = 10(2) 2(x – 8) = 35
Remember the mid-segment is half the base.
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𝟑 𝒙=𝟐 𝒙+𝟓𝟐 𝒙=𝒙+𝟑
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Opposite to the longest side is the bigger angle.Opposite to the shortest side is the smallest angle.
Opposite to the bigger angle is the longest side.Opposite to the smallest angle is the shortest side .
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(n – 2)18061. 62.
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(n – 2)180n
360n
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4x = 7x – 12
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90 + 4x + 2x + 6 = 180 38 + 17x + 1 + 3x + 1 = 180
17x + 1 = 2y
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+ 4x + 4x– 4x + 7y = – 28
7y = 4x – 28 7 7 7
y = 4x – 4 7
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12 cm + 5 cm > 7 cm5 cm + 7 cm > 12 cm No10 cm + 15 cm > 24 cm15 cm + 24 cm > 10 cm24 cm + 10 cm > 15 cm Yes
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𝒎𝒊𝒅𝒔𝒆𝒈𝒎𝒆𝒏𝒕=𝟏𝟐
(𝒃𝟏+𝒃𝟐)
𝒐𝒓𝟐(𝒎𝒊𝒅𝒔𝒆𝒈𝒎𝒆𝒏𝒕 )=𝒃𝟏+𝒃𝟐
