ACT 2020 December(D03) Math Question 4 Explanation - ACT Helper

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2020 December(D03) Math Question 4
Equation of a Line
- Distance, Speed, Time
Distance formula (distance between 2 points, vertical distance, horizontal distance)
Choice J
In the given line, point S is on RT and
$L e n g t h o f \overset{―}{R S} = 8 c m$
$M i d p o i n t o f \overset{―}{R S} = 4 c m$
$L e n g t h o f \overset{―}{S T} = 18 c m$
Then
$D i s t a n c e b e t w e e n T a n d m i d p o i n t o f \overset{―}{R S} = 18 + 4 = 22 c m$
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