Warm Up Warm Up Read A Look Back and A Look Read A Look Back and A Look Ahead… Ahead… Pg 61 in Geometry Book Pg 61 in Geometry Book Write a short paragraph on your Write a short paragraph on your feelings about geometry so far. feelings about geometry so far. Where do you think your Where do you think your challenges will be? challenges will be?
12
Embed
Warm Up Read A Look Back and A Look Ahead… Pg 61 in Geometry Book Write a short paragraph on your feelings about geometry so far. Where do you think.
This document is posted to help you gain knowledge. Please leave a comment to let me know what you think about it! Share it to your friends and learn new things together.
Transcript
Warm UpWarm Up
Read A Look Back and A Look Read A Look Back and A Look Ahead…Ahead…
Pg 61 in Geometry BookPg 61 in Geometry Book
Write a short paragraph on your Write a short paragraph on your feelings about geometry so far. feelings about geometry so far. Where do you think your challenges Where do you think your challenges will be?will be?
2.12.1
PerpendicularityPerpendicularity
Perpendicular: lines, rays or segments that intersect at right angles.
Τ
Symbol for perpendicular
Τ
a b
a
b
AD
B
AB BD
X
Y
A B
XY AB
ΤΤ
If <B is a right angle, then AB BC
Τ
C
A
B
Can’t assume unless you have a right angle or given.