Angle R is right and equal to x^2-27x.
x=?
30 or -3
Find the area of a circle if the endpoints of its diameter are (2,4) and (12,4). Answer to the nearest tenth.
78.5
What is a quadrilateral with diagonals that are perpendicular bisectors of each other?
rhombus
The sum of the measures of the angles of a polygon is 1620. Find the number of sides of the polygon.
11
Find the geometric mean between 5 and 20.
plus/minus 10
Angle A, B, and C add up to a straight angle. A=60 deg 29' and B=70 deg 40'16", so angle C=?
48 deg 50' 44"
Triangle NEW=Triangle CAR . EN=11
AR=2x-4y . NW=x+y . CA=4x+y . EW=10 . Find CR
2
What is a rectangle that is also a kite?
square
If a polygon has 33 sides, what is the sum of its exterior angles?
360
Triangle ACB has sides DB=5, BC=6, AC=8 and a segment connects vertex C to some point on AB called D. CD is angle bisector Find AD.
20/3
From 3:45 to 4:15 how many degrees has the hour hand travelled?
20 deg
Angles 1, 2, and 3 sum to a straight angle and are in the ratio of 6:5:4. Find the smallest angle.
48
What is a quadrilateral with opposite angles supplementary and consecutive angles supplementary?
rectangle
How many diagonals in a 15-gon?
90
An equilateral triangle has side length 6. How long is any altitude?
3 root 3
Point E divides DF into segaments in a ratio from left to right of 5:2. If DF=21, find EF.
6
Find the slope of BC and its perpendicular
A(2,4) . B(3,1) . C(15,7)
1/2 and perpendicular -2
What is a quadrilateral with one pair of opposite sides congruent and the other pair of opposite sides parallel.
isosceles trapezoid
If the measure of an exterior angle of a regular polygon is 15, how many sides does the polygon have?
24
Vail skid 2 north, 2 west, 1 north and 2 west. How far from her starting point is she?
5
Point A (2,5) is reflected over the x-axis to create point B. What are its coordinates?
(2,-5)
In parallelogram ABCD the ratio of AB to BC is 5:3. If the perimeter of ABCD is 32, find AB.
10
What is the most descriptive name for a quadrilateral with one diagonal being the perpendicular bisector of the other.
kite
The measure of an exterior angle of an equiangular polygon is twice that of an interior angle. What is the polygon?
equilateral triangle
An altitude is drawn perpendicular to a hypotenuse and divides it into lengths of 3 and 9. How long is altitude?
3 root 3