Friday Mar 4 Slides from class

Friday March 4, 2016
Take out your notebook - NOTEBOOK CHECK TODAY
#9 ws 5.1, 5.2 practice + p262 / 1 - 11 due Yesterday
#10 p427 / 1 - 8, 12, 13, 14, 15 - due Monday Mar 7
TEST NEXT WEEK - Area, Angles of Polygons - THURS?
LT5.1: I can compose and decompose polygons.
272124001055-_ _ _ _ _
will be the ID they must
Warm - up
Warm up 3 / 4 / 16
A circle with a radius of 8 cm is inscribed
inside of a regular nonagon. What is the area
of the nonagon?
A circle with a radius of 8 cm is inscribed
inside of a regular nonagon. What is the area
of the nonagon?
A = 12 a s n
A = 12 (
)(
)(
)
A circle with a radius of 8 cm is inscribed
inside of a regular nonagon. What is the area
of the nonagon?
A=1asn
2
A=1(
)(
)(
2
)
A circle with a radius of 8 cm is inscribed
inside of a regular nonagon. What is the area
of the nonagon?
A=1asn
2
A=1(
)(
)(
2
)
The sum of the
measures of the
interior angles of
this regular
polygon
is 41400
Warm up 3 / 3 / 2016
1. How many sides
does this polygon
have?
2. What is the measure
of one interior angle?
3. What is the sum
of the exterior angles?
4. What is the
measure of an
exterior angle?
The sum of the
measures of the
interior angles of
this regular
polygon
is 41400
1. How many sides
does this polygon
have?
The sum of the
measures of the
interior angles of
this regular
polygon
is 41400
2. What is the measure
of one interior angle?
The sum of the
measures of the
interior angles of
this regular
polygon
is 41400
3. What is the sum
of the exterior angles?
4. What is the
measure of an
exterior angle?
Warm - up
Notes
Homework
HW #10 p427/1–8,12,13,14,15
HW #10 p427/1–8,12,13,14,15
HW #10 p427/1–8,12,13,14,18
SOH - CAH - TOA
Homework
"lattice" points
one
square
unit
What about polygons that aren't "regular"
polyons - Is there a FORMULA ??????
12
14
4
4
11
4
4
12
16
10
5
13
9