circles
Measurement and mogeling(Unit 10)
WTF is THIS
COORDINATE GEOMETRY
Polygons and DILATIONS
100

What is the equation of an arc that a point is on a circle?

Intercepting Arc/2

100

What is the equation for the area of a Rectangle?

Base(h)

100

What is the equation for a right triangle?

A2+B2=C2

100

What is the slope formula?

y2-y1/x2-x1

100

An equalateral triangle < is all

60

200

Equation for an arch OUTSIDE the circle?

SUBTRACT the intercepting arcs THEN DIVIDE by 2
200

Which solids have all congruent cross-section?

Prism

200

If the scale factor(k) of point (9,5) is 4 where is the new point?

(36,20)

200

How do you get a perpendicular slope?

Negative reciprocal 

200

A circle has...many sides

None.

300

What is the equation for the AREA of a sector?

n/360(nr2)

300

What is NOT a cross-section for a cone?

Rectangle

300

What transformation(s) preserve size and shape?

Translation,rotation and reflection 

300

An Undefined slope is which type of line?

Vertical line 

300

What is a square?

A quadrilateral that has all right <'s and all sides are =

400

Tangent2=...

Outside(Whole)

400

Every cross-section is a sphere is what shape?

Circle

400

A perpendicular bisector makes

= segments

400

When 2 lines intercept what is it called?

The solution 

400

Does < value change after a dilation?

No

500

Central < of a Circle's arc is = to (Central< =? Arc)

The same

500

What solid would be produced by a rotation of a circle?

A Donut 

500

What does CPCTC stand for?

Corresponding Parts of Congruent Triangles are Congruent

500

// lines never..

Meet

500

Segment AB is 6 cm after a dilation it's now 3cm what is (k)

1/2