2x + 3x + 3x + 12 = 180° [Sum of all angles of a triangle is 180°]
=> 7 x = 180° - 12°
=> 7 x = 168°
=> x = °
=> x = 24°
? = 2x + 3x
=> 2×24° + 3×24°
=> 48° + 72°
<h3>=> 120°</h3>HOPE IT HELPS
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Simplify. 7 – 2 • 5 + 9 • 3 102 24 –30 18
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The length of AB wit the coordinate (-6, 5) and (8,5). is 14 units
<h3>Distance between two points</h3>A rectangle is a quadrilateral with 4 sides and angles
Taking the length of AB.
Since AB is slant line, the length of AB will be determined using the distance formula as shown;
D = √(-6-8)² +(5-5)
D = √(-14)²
D = AB = 14 units
Hence the length of AB wit the coordinate (-6, 5) and (8,5). is 14 units
Learn more on distance here: brainly.com/question/1872885
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