What is the formula for surface area of prism
SA= hp+2B
Solve for X
5x+5=2x+20
X=5
Graph the image of CDE after a rotation of 90 degrees counterclockwise around the origin.
D (-7,-1) C (-7,-7) E (-4, -8)
What is D' (2, -7) C' (7, 7) E' (8, -4)
Solve for x 20x+x+3=15+9x+x
x=12/11
A two dimensional figure with three or more sides that is closed.
Polygon
What is the Area of a sector
4x+28+12x+-2=180
9.6
Graph the image of square STUV after rotation 270 degrees counterclockwise around the origin
S (0, 3) T (7, 3) U (7, 10) V (0, 10)
S' (3, 0) T' (3, -7) U' (10, -7) V' (10, 0)
What is the point of intersection on two lines of a plane figure.
A vertex
Define Supplementary
When their measures add up add 180 degrees
What is the formula for Distance
13x+17+12x+29+5=180
5.16
Graph the image of square RSTU after a rotation of 270 degrees counterclockwise around the origin.
R (4, -1) S (5, -1) T (5, 0) U (4, 0)
R' (-1, -4) S' (-1, -5) T' (0, -7) U' (0, -4)
These lines are not touching but if you extend them out they would. These lines are called
Intersecting Lines
Define complementary
When the sum of two angles equal up to 90 degrees
what is the surface area for a rectangular prism
SA=2lw+2lh+2wh
solve for x 17+9x+23+4x=45
x=5/13
Graph the image of JKL after rotation of 180 degrees counterclockwise around the origin
J (-5, -4) K (-2, -4) L (-5, -10)
J' (5, 4) K' (2, 4) L' (6, 10)
An angle greater than 90 degress
Obtuse Angle
Define Sphere
Symmetrical round in shape
What is the Volume and Surface area for a Hemisphere
V=4πr3/3
SA=3πr2
Solve for X
2(x+5)-7=3(x-2)
X=9
Graph the image of rectangle KLMN after rotation 180 degrees counterclockwise around the origin
K (-9, 5) L (-2, 5) M (-2, 9) N (-9, 9)
K' (9, -5) L' (2, -5) M' (2, -9) N' (9, -9)
Define an Acute Angle
an angle lower than 90 degress
A quadrilateral with two pairs of opposite and parallel sides.
Parallelogram