Vocab
What is the line that passes through a set of parallel lines.
What is a transversal
What is the formula for the circumference of a circle?
What is C=2(3.14)r or C=(3.14)d
What is the slope between (1, 2) and (4, 8)?
What is 2?
Which transformation enlarges a figure?
What is dilation.
A triangle with sides 5, 12, and 13 is:
What is a right triangle?
This is the distance across a circle through its center.
What is the diameter?
What is the circumference of a circle with a radius of 4 inches?
What is 2(3.14)(4)= 8(3.14)= 25.12 inches
What is the distance between (6,8) (10,12)?
What is 5.66?
Which transformation flips a figure over a line?
What is a reflection?
A triangle has angles of 30° and 60°. What is the third angle?
What is 90°?
A segment from the center of a circle to a point on the circle.
What is a radius?
A circle has a diameter of 10 cm. Find the circumference.
Find the midpoint between (5, 2) and (1, 6).
What is (3, 4)?
Which transformations preserve both shape and size?
What are rotation and translation?
Use the Pythagorean Theorem: Is a triangle with sides 8, 15, and 17 a right triangle?
→ Yes, because 82+152=172
The total space inside a circle.
What is the area?
In a circle, an inscribed angle intercepts an arc of 80°. Find the angle.
What is 40°?
What’s the slope between (3, 7) and (7, 3)?
What is -1?
A triangle is rotated 180°. What changes?
What is Only its orientation; shape and size stay the same
Triangle XYZ has angle Y = 90°, XY = 6, and YZ = 8. Find XZ.
What is 10?
An angle formed by two chords with its vertex on the circle.
What is an inscribed angle?
A circular fountain has a radius of 7 ft. Find the area.
What is C= (3.14)72= C=(3.14)49 C=153.86ft2
Solve: 3x–4=2x+5
What is x=9
Which transformation could result in a similar but not congruent figure?
What is dilation?
A ramp rises vertically 4 ft and is 9 ft long. Find the base.
→ What is 81–16=65≈8.1
42+x=92
16+x=81
x=65