Angles of Triangles
What is the sum of the angles in a triangle?
180 degrees
Square root of 64
8
What kind of number is 0
0 is a whole number, an integer, a rational number, and a real number
What are the different types of transformations on a graph?
Translation, reflection, rotation, dilation
2x + 5 = 11
What type of triangle has two equal angles?
An isosceles triangle.
Square Root of 81
9
What kind of number is pi
Pi is an irrational number.
What is a horizontal shift?
Moving the graph left or right
5x-13=9x-5
X=-2
What type of triangle has three equal angles (all 60 degrees)?
An equilateral triangle.
Square Root of 144
12
What kind of number is 144
What is a vertical shift?
Moving the graph up or down
2x+9=-6x+10
X=1/8
If one angle in a triangle measures 40° and another measures 70°, what is the measure of the third angle?
70
Square Root of 196
14
What kind of number 563
563 is a natural number, odd number, and a prime number.
What is a reflection across the x-axis?
A reflection across the x-axis transforms a point in the coordinate plane by changing the sign of its y-coordinate while keeping the x-coordinate the same.
7x+13=5x+12
x=-1/2
If a triangle is an isosceles triangle and one of the equal angles is 40 degrees, what is the size of the other equal angle?
The other equal angle is also 40 degrees.
Square root of 324
18
What kind of number is 465
What is a reflection across the y-axis?
A reflection across the y-axis flips a point, line, or shape across the y-axis, effectively creating a mirror image on the opposite side of the y-axis.
8x-2=10+16x
x=-3/2