You're so basic
Keep your Center
Online
Why you copying me?
Oh yeah? Prove it!
100
JL has coordinates J(-6, 1) and L(-4, 3). Find the coordinates of the midpoint.
(-5, 2)
100
These lines all intersects at the circumcenter.
What are Perpendicular Bisectors
100
CD has coordinates C(-9, 2) and D(5, -4). Find the distance of CD.
CD = 15.2
100
Complete the proof:
1. Given
2. Corresponding Angles
3. Given
4. Angle-Angle-Side
100
Given ΔJKL, find m∠L.
47°
200
∠A and ∠B form a linear pair. If m∠A = (6x-19)° and m∠B = (11x - 22)°, find m∠B.
121°
200
Classify the triangle center
What is an INCENTER
200
If K is the midpoint of JL, and
JK = 8x + 11 and KL = 14x -1, Find JL.
JL = 54
x = 2
200
In ΔDEF, DE = 29 feet, EF = 26 feet, and DF = 32 feet. What is the order of angle measures from largest to smallest?
∠E, ∠F, ∠D
200
Which of the following side lengths could form a triangle? List all that apply.
A. 7, 7, 15
B. 21, 24, 43
C. 16, 14, 9
D. 16, 3, 8
E. 10, 21, 11
F. 32, 35, 39
B, C, F
300
Which pair of lines must be parallel?
p and r
300
Classify the triangle Center:
What is a CENTROID
300
If B lies on a line between points A and C...
AB = 3x - 5 and BC = x - 1 and AC = 7x - 27,
Find X
x = 7
300
A triathlon event in which participants run, bike, and swim certain distances is mapped out in a triangle as shown below.
Which distance (swim, bike, run) is the longest?
Swim
300
Given XZ bisects ∠WXY and ∠WZY.
Angle-Side-Angle (ASA)
400
If a ∥ b, find the value of x.
x = 18
400
Find AE.
G is the centroid of triangle ABC if AG = 42
63
400
Find DE (Mrs. Coffey will draw the picture)
DE = 4x+1
AB = 11x-25
x = 9; DE = 37
400
Jasmine is making a triangular garden Two sides of the garden measure 6 feet by 11 feet. What is the range of possible lengths, in feet, for the third side, x, of the garden?
5 < x < 17
400
Which pair of triangles cannot be proven congruent?
D
500
If c ∥ d, which statement must be true?
A. ∠1 ≅ ∠16
B. ∠7 ≅ ∠10
C. m∠14 + m∠15 = 180°
D. m∠6 + m∠10 = 180°
D
500
Find EH.
H is the circumcenter of triangle BCD,
BC = 18 and HD = 14.
10.7
500
Mrs. Coffey will draw this one
<1 = (11x-2)
<2 = (9x+1)
<3 = (19x+3)
x = 4
500
If the angles of triangle RST:
m< R=(9x-2); m< S=(4x+36); and m<T=(5x+20)
list the side lengths in order from SHORTEST to LONGEST.
RS, ST, RT
500
What piece of information would prove ΔACE ≅ ΔBDE by Side-Angle-Side?
E bisects AB and CD