Transformations, Isosceles Triangles, & Triangle Congruence
Polygons, Angle-Sum Theorem
Triangle Centers, Midsegments, Triangle Inequality
Random
100
What are the two triangle congruence theorems that do NOT prove triangle congruence?
(consider the combinations of sides (S) and angles (A)
AAA and SSA!!!
100
A triangle whose angles each measure less than 90 degrees.
What is an Acute triangle
100
Solve for x
What is x=12?
100
What is the value of v?
v= 86
200
Find the measure of x
x = 70
200
A triangle with no sides congruent
What is a Scalene triangle
200
The angle bisectors of △ABC meet at point G. Find FG.
What is FG=6?
200
Ray FD is an angle bisector for angle GFH. ∠GFD = 3x and ∠DFH = 2x - 6.
Find x.
x=-6
300
Does it have rotational symmetry, if so (how many lines of symmetry and provide the degrees of rotational symmetry)
3 lines
120o, 240o
300
The following figure is a parallelogram. Find y.
What is y=112o
300
Question: DE is a midsegment of ABC. Find x.
x=13
300
Ray BH is an angle bisector for angle ABC. ∠ABH = 11x + 4 and ∠HBC = 12x - 7. Find x.
x=11
400
What transformations take Triangle A to Triangle C?
Reflection over y-axis
Reflection over x-axis
400
The missing angle in a quadrilateral if three of the angles are 78o, 93o, and 79o.
What is 110o?
400
Two sides of a triangle are 39 and 71. What are the possible measures of the third side?
What is 32<x<110?
400
Use △ABC. Point X is the circumcenter. Ax is equal to what other segment(s).
BX and CX.
500
Find the new coordinates of (10,12) if you translate the point using (x,y)--->(x-3, y+4)
(7,16)
500
The following is a parallelogram. Solve for y.
What is y=59
500
Find the value of y.
What is y=27
500
Are these two triangles congruent, if so how?
yes, HL