Got back tests. Reviewed arc length and sector area in degrees and radians. Learned about radius/tangent perpendicularity and angles/arcs formed by tangents and secants.
Notes from board
Homework
#1-10 (skip 3 and 4) on this handout (answers attached on page 2)
Resources
perimeter of a circumscribing polygon: link
tangent-tangent angle and arcs: link
MANY great examples related to arcs and angles: link
more examples of arcs and angles: link
Went over homework, discussed EOC, then learned about cyclic quadrilaterals (the opposite angles are supplementary) and circumcenter and incenter. Played Kahoot to review.
Notes from board
Homework
do the online practice test (blank copy) (SOLUTIONS)
test Thursday/Friday
Resources
given center and radius, write equation: link
writing circle equation using endpoints of diameter: link
exact arc length in degrees: link
exact arc length in radians: link
Sector area, degrees (starts at 2:55): link
Sector area, radians (starts at 3:30): link
intersecting chords theorem: link
using the intersecting chords lengths theorem: link
chords arcs and angles: link
perimeter of a circumscribing polygon: link
tangent-tangent angle and arcs: link
many great examples related to arcs and angles: link
more examples of arcs and angles: link
circumcenter vs incenter: link
Took assessment. Started EOC review with Congruence topics.
Homework
work on the handout [blank here] [SOLUTIONS HERE]
resume studying formulas: bit.ly/formulas18
Resources
coming soon