In an isosceles triangle, one base angle measures 13 degrees. What is the measure of the vertex angle?
154 degrees
100
Rule: (x, y ) --> ( x, -y );
What is reflection in x-axis?
100
Find the distance between (9,-4) and (3,-5) to the nearest tenth.
6.1
100
Which quadrilateral has diagonals that are perpendicular and congruent?
a. rhombus
b. square
c. trapezoid
d. parallelogram
square
200
adjacent/ hypotenuse
cosine
200
Could {7,9,11} represent the lengths of the sides of a triangle? Explain.
Yes, smallest 2 add up to bigger than third side.
200
The image of (-3,4) under a translation is (4,0). What is the image of (5,1) under the same translation?
(12,-3)
200
What is the slope of the line determined by the points
(-1,2) and (-2,9)?
7/-1 or -7
200
What is the y-intercept of the equation:
y=-2x - 8?
-8
300
A right triangle has legs length 0.6 and 0.8, what is the cosine of the smallest angle?
.8
300
A 10 foot ladder leans against a garage. The base of the ladder is 6 feet from the base of the garage. How high is the garage?
8 feet
300
If a translation maps (x,y)-> (x-2,y+3), what are the coordinates of A', the image of A(-2,-6) after this translation?
(-4,-3)
300
A line segment has endpoints (1,3) and (7,y). The midpoint is (4, 7). Find y.
11
300
The sides of a rectangle are 12 and 16. What is the measure of a diagonal?
20
400
If w and x are complementary angles, and cos x = .78, what is sin w?
.78
400
The lengths of the sides of a triangle are 7, 8, and 10. If the length of the shortest side of a similar triangle is 21, what is the length of the longest side?
30
400
Name a transformation that is a "slide" of a figure.
Translation
400
What is the equation of the line parallel to -2x + y = 1 and passing through (1, -1)
y = 2x - 3
400
The perimeter of a rectangle is 102 feet, the length is 2 times the width. Find the length and width
17, 34
500
A right triangle has leg lengths, 5 and 7, what is the measurement of the smallest angle rounded to the nearest degree?
36 degrees
500
If a triangle has angle measures of 60, 60, and 60, classify the triangle.
equilateral
500
The coordinates of point A are (2,5 ). Using T(x-4,y+2) , what are the coordinates of A', the image of A?
(-2,7)
500
What are the coordinates of the point 1/3 of the way from (4, 4) to (-2,1)