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Geometry Unit #3 (triangle angle sum, polygon angles)
3.4 I can identify a scalene, isosceles and equilateral
& equiangular triangle. G.CO.1
PROOF OF UNDERSTANDING:
3.4 I can identify an acute, right, and obtuse
triangle. G.CO.1
PROOF OF UNDERSANDING:
__________
____________
__________________
______________
_______________
____________
3.4 I can find the missing angle of a triangle using the
triangle angle sum theory. G.CO.10
PROOF OF UNDERSTANDING:
3.4 I can find the exterior angle(s) of a triangle.
G.CO.10
PROOF OF UNDERSTANDING:
Solve for x.
Solve for x, then solve for y.
x = ________________
y = _______________
x = _________________
3.4 I can solve for a variable using the triangle angle
sum theory. G.CO.10
PROOF OF UNDERSTANDING:
Solve for x.
x = _______________
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3.4 I can use the distance formula to find the
lengths of sides of a triangle on the coordinate
plane. G.GPE.7
PROOF OF UNDERSTANDING:
Geometry Unit #3 (triangle angle sum, polygon angles)
3.5 I can divide a convex polygon into the correct
number of triangles. G.CO.10
PROOF OF UNDERSTANDING:
3.5 I can use the polygon angle sum theory to find
the sum of all angles in a given polygon. G.CO.10
PROOF OF UNDERSTANDING:
(n – 2) * 180°
Total degrees = _____°
# of triangles that make up this polygon = ________°
3.5 I can find a missing angle measurement inside of a
polygon. G.CO.10
PROOF OF UNDERSTANDING:
y°
3.5 I can find the missing angle measurement in a
polygon by solving for a variable. G.CO.10
PROOF OF UNDERSTANDING:
Degrees total in this polygon? _________
Solve for x. x = ___________°
Angle K = __________° Angle E = __________°
Solve for y. y = __________°
3.5 I can find an exterior angle measurement of a
polygon. G.CO.10
PROOF OF UNDERSTANDING:
3.5 I can use the distance formula to find the
perimeter of a polygon on the coordinate plane.
G.GPE.7
PROOF OF UNDERSTANDING:
(-2,4)
(5,4)
?
The shape above is a regular octagon.
Sum of all angles in the shape above = ________°
Each interior angle measure = _________°
Each exterior angle measure = _________°
(-4,-4)
(3,-4)
Geometry Unit #3 (triangle angle sum, polygon angles)