ACT 2021 April(D05) Math Question 5 Explanation - ACT Helper

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2021 April(D05) Math Question 5
Equation of a Line
- Distance & Midpoint
Choice D
In the given line, point S is on RT and
$L e n g t h o f \overset{―}{R S} = 10 c m$
$M i d p o i n t o f \overset{―}{R S} = 5 c m$
$L e n g t h o f \overset{―}{S T} = 18 c m$
Then
$D i s t a n c e b e t w e e n T a n d m i d p o i n t o f \overset{―}{R S} = 18 + 5 = 23 c m$
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