Answer please?
May
7, 2013
Day 78 of 90
90-78 =
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Kwame wants to find the shortest distance between
two distinct points, point A and point B. He’s heard
that the shortest distance between two points is a
straight line segment. According to Euclid’s first
postulate, can Kwame draw a straight line segment
between point A and point B?
A. No
B. Yes
C. It depends on the coordinates of point A and point
B
D. It depends on the distance between point A and
point B
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According to Euclid’s fourth
postulate, which type of angles are
always congruent?
acute angles
right angles
 obtuse angles
 straight angles
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Ripley’s spelling grades are 86, 84,
90, and 90. If he scores 0 on the
next spelling quiz, what will happen
to the MEAN of his scores?
A) It will increase by 13.5.
 B) It will decrease by 13.5.
C) It will increase by 17.5.
 D) It will decrease by 17.5.
Unit 5 – Transformations in the Plane
 Precise
definitions:
 Angle
 Circle
 Perpendicular lines
 Parallel lines
 Line Segment
 Represent
the plane
transformations in
 Compare rigid and non-rigid
▪ Translations
▪ Rotations
▪ Reflections
 Understand Dilations
 Given
shapes –
 Determine which sequence of
rotations and reflections would
map it on itself
 Develop definitions of rotations,
reflections and translations
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Translate C(-4, 7) by (x – 7, y – 9).
C’(-11, -2)
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Reflect across the y-axis
Describe every transformation that
maps the given figure to itself.
Practice Problems