TOday was circle day in geometry. We are working together to make sure that we know all of the circle content that will be on the ACT.
We used geogebra to figure out what Pi is, what the formula for circumference is, and how to find part of a circumference (arc length).
We also used geogebra to demonstrate the relationships for inscribed and central angles, angle inscribed in a semi-circle, tangent to radius angle, and congruent tangent segments.
We practiced some good questions out of Discovering Geometry, and then we started working through a handout about circles on the ACT. Students should complete the first 11 problems on this handout for homework.
Friday we finish circles; next week we start area/surface area/volume.
The unit test will be our final. So no exemptions.
The handout is attached below.
Re-takes of the Trig Unit Test need to be done tomorrow during advisory.
We used geogebra to figure out what Pi is, what the formula for circumference is, and how to find part of a circumference (arc length).
We also used geogebra to demonstrate the relationships for inscribed and central angles, angle inscribed in a semi-circle, tangent to radius angle, and congruent tangent segments.
We practiced some good questions out of Discovering Geometry, and then we started working through a handout about circles on the ACT. Students should complete the first 11 problems on this handout for homework.
Friday we finish circles; next week we start area/surface area/volume.
The unit test will be our final. So no exemptions.
The handout is attached below.
Re-takes of the Trig Unit Test need to be done tomorrow during advisory.
circles_act_prep.docx |