1­2 Linear Measure and Precision.notebook
September 09, 2015
1­2 Linear Measure and Precision
Line segment: Length of a line segment:
Congruent Segments: two segments have the same ____________
Notation for congruent segments:
(Red slashes on figure indicate that segments are congruent)
Def. of congruent segments: precision
• The ________________ of any measurement depends on the smallest unit available on the measuring tool. • The range of error in the measurement is called the tolerance
___________________ and can be expressed as ________. Examples: Find the precision for each measurement. Explain its meaning.
1. 10 inches
2. 44 cm
3. 3.5 mm
4. ft
1­2 Linear Measure and Precision.notebook
September 09, 2015
Betweenness of Points (Segment Addition Postulate): Point M is between points P and Q if and only if P, Q, and M are ________________ and PM + MQ = _________. 1. Find the measurement of each segment. Assume the figures are not drawn to scale.
2. Find x and RS if S is between R and T.
Attachments
1­1 HW Scanned.pdf