Rachel is taller, she is taller by 23 cm
Answer:
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Step-by-step explanation:
The slope of the line passing through two given points: 
(3, 4) ⇒ x₁ = 3, y₁ = 4
(8, -3) ⇒ x₂ = 8, y₂ = -3
So, the slope:

1. Angle DEF
2. Definition of congruent angles
3. The measure of angle GHI