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Big Ideas Math Integrated I, 2016 View details

2. Measuring and Constructing Segments

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Exercise 8 Page 390

Use the Segment Addition Postulate.

KL=107

Practice makes perfect

Using the Segment Addition Postulate, we can calculate the length JL by adding JK and KL. This is because the point K lies between J and L. JL = JK + KL Let's use the given values of JL and JK to find the length.

JL = JK + KL

SubstituteII

JL= 144, JK= 37

144= 37+KL

SubEqn

LHS-37=RHS-37

107=KL

RearrangeEqn

Rearrange equation

KL=107

Therefore, the length KL is 107.