Angles
Greater than 90 degrees
Obtuse
Put this in words:
T <2,-4>
Two to the right, down four
Two lines that intersect to form a right angle
Perpendicular
What is the midpoint of the line segment starting at (-2,3) and (1,-4)
(-1/2,-1/2)
Christopher Columbus, an Italian, was the first European to be in North America in 1492. What country did he represent?
Spain
Exactly 90 degrees
Right angle
Rule for 180 degree rotation
<-x,-y>
Middle point of the circle, where all points on the circle are equally distant from
Radius
Line g has a slope of -7/4. Write the slope of a line that is perpendicular to line g.
4/7
The ruling party in China, North Korea, and Cuba
Communist party
Complementary angles add up to _______ degrees
90 degrees
What will D1/3 do to an image on a coordinate plane?
Decrease size by 3
Formed when two rays share a common end point
Angle
An exterior angle of a triangle measures (2x+90). What is the value of X?
x=15
Area of the world known as "the cradle of humanity"
Africa
Angles A & B are vertical angles. Angle A is 149, Angle B is 3x-10. What is the value of x?
39
<-y,x>
90 degree counterclockwise rotation
Part of a line with two end points
Line segment
y=-1/2x+5
Write an equation in slope intercept form for a perpendicular line running through point (-4,3).
y=2x+11
What is the largest empire ever both in terms of land mass and population?
British Empire (1920)
A triangle has three angles measuring:
A-2x
B- 2x+5
C- 3x
What is the measure of angle B?
M<b=55
Point (5,-2) is reflected over the Y axis, then translated five units right and three units up. What is the new point?
R-yaxis- (-5,2)
T-<5,3>- (0,6)
Has one fixed point and another side that never ends
Ray
M is the midpoint of line AB. The length of AM is 5x+3, and MB is 6x-12. What is the value of x, and how long is AB?
x=15, AB=156
What was the main cause of WW2 in Europe?
Hitler invading Poland in 1939