3x - 5 = 6x + 4
x = -3
A triangle that has all 3 sides different lengths is called a?
Scalene Triangle
SSS or Side-Side-Side
What is the study of how angles and sides relate called?
Trigonometry
What is a Diameter?
A straight line that passes through the center of a sphere
5 (x+2) = 20
x = 2
A triangle that has one angle greater than 90 degrees is called an?
Obtuse Triangle
What is it called when a Triangle has 2 adjacent sides, with an angle directly between them?
SAS or Side-Angle-Side
If AB = 14 and DC = 26, find EF.
EF = 20
What is a radius?
A line that comes from the center of a sphere to the edge.
∠1 and ∠2 are supplementary angles. If m∠1=(4x+29)°and m∠2=(3x+11)°. Solve for x
x = 20
Does the letter (Capital T) have Line, Rotational, Point, or no symmetry?
Line Symmetry
What are 2 lines that never intersect called?
Parallel lines
If AB = 7 and DC = 31, find EF.
EF = 19
If a cube has one side that is 9 FT, what is the net of the cube?
54 FT
find the angle of a supplementary compliment that is 67.
113
Does the letter (Capital O) have Line, Rotational, Point, or no symmetry?
All
What are 2 lines called that intersect at 90 degrees?
Perpendicular lines
If EF = 22 and DC = 38, find AB.
AB = 6
How do you find the volume of a rectangular prism?
L x W x H
Find the measurement of angle a of a complimentary angle, if angle b = 27.
63
Does the letter (Capital Q) have Line, Rotational, Point, or no symmetry?
None
What is the ratio of a vertical change called?
Slope
Is a square a rectangle?
Yes
Find the circumference of a circle if the diameter is 14 cm.
43.98