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Unit 1
Unit 2
Unit 3
Unit 4
Vocabulary
100

The number of degrees in a straight angle is

180 degrees

100

Quadrilateral ABCD undergoes a transformation, Producing quadrilateral A'B'C'D'. For which transformation would the area of A'B'C'D' not be equal to the area of ABCD?

Dilation


100
The hypotenuse is the ____________ side of a right triangle. ___________ from the right angle. 

longest , opposite 

100

The central angle ABC of a circle measures 60 degrees. That means that the minor arc AC measures __________. 

60 degrees

100

two lines that are the same distance apart and will never touch

What is parallel lines

200

The measures of two angles of a triangle are 70 and 55. This triangle is 

an isosceles triangle 

200

A three-inch line segment is dilated by a scale factor of 6 and centered at its midpoint. What is the length of its

image?

18

200

The formula a2 + b2 = c2 is called the ______________. It is used to find all the sides of ____________ triangles. 


(Must be spelled right)


Pythagorean Theorem , right triangles 

200

A secant line intersects a circle ________.

twice 

200

lines that intersect to form a right angle

What is perpendicular

300

Name two angles that are supplementary

The sum of your two angles must be 180 degrees


300

An equalateral triangle is rotated about its center. What is the minimum angle of rotational symmetry? 

120 degrees

300

If the lengths of the legs of a right triangle are 2 and 3, then the length of its hypotenuse is

25

300

If an arc measures 80 degrees, the inscribed angle is ___________. 

40

300
an angle that is greater than 90 degrees
What is obtuse
400

Name two angles that are complementary 

The sum of your two angles must be 90 degrees


400

A regular pentagon is rotated about its center. What is the minimum number of degrees needed to carry the

pentagon onto itself?

72 degrees


400

The expression sin57 

is equal to

cos33 degrees 



400
If a diameter is 50 inches, the radius is  __________. 

25


400

This is the term for a 90 degree angle

What is right angle

500

In triangle ABC, angle B  is 90 degrees and angle A is 45. How much is angle C?

45 degrees 
500

A rectangle has a length of 5 inches and a width of 2 inches. Now, if we increase the size of this rectangle by a scale factor of 3.5, the sides will become ________ and _________ inches. 

17.5 inches and 7 inches

500

A support wire reaches from the top of a pole to a clamp on the ground. The pole is perpendicular to the level ground and the clamp is 10 feet from the base of the pole. The support wire makes a 68 angle with the ground.

Find the length of the support wire to the nearest foot.

(Just set up the equation)

cos68/1 = 10/x

500

The formula to find the vertex inside for two intercepting chords on a circle is __________________.

Arc1 + Arc2 / 2 = angle x 

500

A boat has a sail with one pair of perpendicular lines, and two sides the same length. What kind of triangle is it?

What is Right, isosceles