How many points does it take to make a line?
Two
T/F The distance of a segment can sometime be negative
False
Angles with the same measurement are _________.
Congruent
How many sides does a octagon have?
Eight
What is the formula for perimeter of a rectangle?
P = 2l + 2w
What is the difference between a ray and a segment?
Rays have 1 endpoint and segments have 2 endpoints.
What is the point directly in the middle of the two endpoints of a segment called?
The midpoint
Define an angle bisector
a ray that divides an angle into two congruent angles.
Define concave
a vertex of a polygon lies in the interior of the polygon
Calculate the area of a triangle with a height of 22 meters and a base of 28 meters
308 square meters
How is a line named?
By any two points on the line or by a single script letter
Find the distance of a segment with endpoints (1, 2) and (5, 4) in simplest radical form
2 times the square root of 5
Define and draw a linear pair
State the two characteristics of a regular polygon
1. Congruent sides
2. Congruent angles
Calculate the approximate circumference of a circle with a radius of 2 yards
4(pi) = 12.96 yards
The intersection of two lines creates a ___________
point
The endpoints of a segment are (6,-2) and (4,8). Find the midpoint.
(5,3)
Two angles are complementary. One angle is four times the measurement of the other angle. Find the measurement of each angle.
72 degrees and 18 degrees
Tell whether each statement is always, sometimes, or never 1. A decagon is regular. 2. A circle is a polygon. 3. A concave polygon is regular.
1. sometimes 2. never 3. never
The area of a rectangle is 18 square inches. The length of the rectangle is twice its width. Find the length and width of the rectangle.
length =6 in width = 3 in
The intersection of two planes forms a ___________
line
Points S, T, and P lie on a number line in that order. Their coordinates are 0, 1, and x, respectively. Given that ST is congruent to TP, what is the value of x?
2
Ray BD bisects angle ABC. Find the measurement of angle ABC if the measurement of angle ABD is (2x + 20) and the measurement of angle DBC is (4x)
80 degrees
Two sides of a regular pentagonal button have the length (3x + 12) mm and (20 - 5x) mm. The button has a border made of silver wire. How many millimeters of silver wire are needed for this border?
75 mm
Find the perimeter of a triangle with verticies at A(1, 2) B(4, 6) C(5, 2) to the nearest tenth
9 + the square root of 17 = 13.1 units