WorksheetsGeometry EOC Review - Part C
Total questions: 40
Worksheet time: 2hrs 37mins
Which of these divides a side of a triangle in two equal segments and always form right angles wherever it intersects.
median
perpendicular bisector
angle bisector
If G is the centroid of triangle ABC and BF= 10. Find the length of FA.
(a)
Find the length of AD
(a)
If H is the circumcenter and HC=4.5 what is the distance of the other red lines?
(a)
BD is a median of the triangle. Given DC=11, what is the length of AD?
(a)
If G is the centroid of triangle ABC and GF= 4. Find the length of GC.
*there is a 2:1 ratio from the vertex to the midpoint
(a)
a triangle with two congruent sides
isosceles triangle
scalene triangle
equilateral triangle
acute triangle
Order the sides from longest to shortest.
WX, XV, WV
WX, WV, XV
WV, XW, XV
WV, XV, WX
What is the measure of x?
(a)
Find the indicated angle measure. (What is ?)
*think triangle angle sum and linear pair or just an exterior angle of a triangle
(a)
Write an inequality showing the possible 3rd side of a triangle. 5 & 15
5<x<15
10<x<20
15<x<5
20<x<10
Do these sides make a triangle? 9,19,30
*hint...remember any two sides have to be longer than the 3rd side
Yes
No
Using hinge theorem which side is bigger?
AR
RB
AC
CR
What is the triangle congruence?
ASA
SAS
HL
SSA
What is the triangle congruence pictured here?
ASA
SAS
HL
AAS
What does the slope of a line tell you?
Distance between two points
If lines are parallel/perpendicular
Midpoint
Find the value of x.
*sum of exterior angles = 360
(a)
Find the sum of the interior of angles in a 12-gon.
*sum of interior angles = (n-2)180
(a)
What is the exact value of x?
*sum of exterior angles = 360
(a)
The sum of the interior angles in a polygon is 3,240o. How many sides are in the polygon? *sum of interior angles = (n-2)180
(a)
Find the number of sides of a regular polygon with one exterior angle measuring 6⁰. *exterior angle = 360/n
(a)
Find the value of X.
(a)
Is the figure a polygon? Is it convex or concave?
Not a polygon, convex
Polygon, convex
Not a polygon
Polygon, concave
Match the following due dates and other items
INB's are due
Friday, 5/3
Units being graded on INB
Units 11 & 12
Foldables none of you have because we are doing them after the eoc
Unit Rate & What is a Radian?
ALL WORK (LATE & EXTRA CREDIT) DUE BY...NO EXCEPTIONS!!!
WEDNESDAY, 5/8 BY 2 PM
Thur. 5/2 from 2-3:30
Mon. 5/6 from 2-3:00
Tues. 5/7 from 2-3:00
Wed. 5/8 from 2-3:00
lunch everyday
6th period elective
before school 6:45 everyday
Tutoring Days & Times
Match the following
pentagon
5 sides
REGULAR POLYGON
ALL SIDES & ANGLES ARE EQUAL
decagon
10 sides
dodecagon
12 sides
nonagon
9 sides
Match the following
slopes of parallel lines are
equal
slopes of perpendicular lines are
opposite reciprocal slopes
parallel lines...
are coplanar & never touch
perpendicular lines...
meet at right angles
skew lines...
not coplanar, never touch, not parallel
Match the following points of concurrency
Perpendicular Bisectors meet here
Circumcenter
Angle Bisectors meet here
Incenter
Medians meet here
Centroid
Altitudes meet here
Orthocenter
where perpendicular bisectors meet
equidistant to all 3 vertices
center of a circumscribed circle
where angle bisectors meet
equidistant to all 3 sides of a triangle
center of an inscribed circle
always inside every triangle like the centroid
inside acute triangles, on the midpoint of the hypotenuse of a right triangle, outside an obtuse
where medians meet
breaks up the median into a 2:1 ratio from vertex to side
where altitudes meet
inside acute triangles, on the right angle of rt triangles, outside on obtuse triangles
always inside all triangles like the incenter
Match the special triangle segments
equilateral
perpendicular bisector
altitude
median
midsegment
angle bisector
Solve for x
tan = O/A
sin = O/H
cos = A/H
used when you need to find 3rd side of right triangle given 2 sides
circle equation derived from this
distance formula derived by this
used when you know an angle and a side & need exact answer for another side
used when you know 2 sides and need to find angle
tan = sin/cos
Equilateral
Scalene
isosceles
Match the following Trig Problems with how to solve
sin A = 8/13
cos 53 = 45/k
tan 53 = x/22
x^2 + 144 = 256
f = 20/2
g = f (root 3)
Label the missing parts of the triangle
10
5 root 3
60
Label the missing parts of the triangle
8
45
8 root 2
Match the following formulas
sum of interior angles of a polygon
(n-2)180
one interior angle of a regular polygon
(n-2)180/n
sum of exterior angles of a polygon
360
one exterior angle of a regular polygon
360/n
sum of one interior & one exterior angle
180
