Duplicate of Geometry Formulas not on VA SOL Formula Sheet

Question 1

Similar triangle sides are solved by writing:

Accepted Answer

Top over bottom = circle over circle = box over box . . ., A ratio of corresponding sides.

Question 2

Write the symbolic form: If I am hungry I won't eat. I eat. Therefore I was hungry.

Accepted Answer

p→q ~q ∴ p

Question 3

When two secants intersect outside the circle, the secant measures can be found with

Accepted Answer

Outside(Whole length) = Outside(Whole length)

Question 4

Alternate interior angles:

Accepted Answer

Are congruent.

Question 5

Inverse of If lines a and b are parallel then they have equal slopes:

Accepted Answer

If lines a and b aren't parallel they don't have = slopes.

Question 6

To test if three numbers make A RIGHT triangle you must:

Accepted Answer

Square the smallest 2, add, square largest. equal?, hyp2 = leg2 + leg2

Question 7

The formula for midpoint is

Accepted Answer

[ (X2+X1)/2 , (Y2+Y1)/2 ], (avg x, avg y), plot points and answers on graph paper

Question 8

The inverse of "If I am tired, I will not watch TV." is:

Accepted Answer

If I am not tired, I will watch TV.

Question 9

Two tangent lines to a circle form an exterior angle. The two tangent lines are

Accepted Answer

always equal.

Question 10

In the formula for lateral area of a cone LA = πrl the l stands for:

Accepted Answer

Slant height of the cone.

Question 11

To test if three numbers make A triangle you must:

Accepted Answer

small plus medium greater than large, Add the smallest two. check that larger than longest.

Question 12

Which of the following does not have point symmetry?

Accepted Answer

Pentagon

Question 13

The formula for area of a sector of a circle is

Accepted Answer

(n/360) ⋅πr2, (n/360) ⋅ area of circle

Question 14

What do you call a 6 sided figure?

Accepted Answer

Hexagon

Question 15

Angle of depression = angle of elevation

Accepted Answer

True

Question 16

To find the area of a label on a soup can, use the formula for

Accepted Answer

Lateral Area LA = 2πrh

Question 17

Perpendicular lines make 4

Accepted Answer

4 right angles

Question 18

An inscribed angle in a circle is

Accepted Answer

half its intercepted arc.

Question 19

How many degrees are in a circle?

Accepted Answer

360

Question 20

For polygons, (n − 2)180 will give you:

Accepted Answer

The sum of the interior angles of an N-gon.

Question 21

In trig, sin Θ

Accepted Answer

on the back of the formula sheet, opp/hyp

Question 22

Which letter does not have point symmetry?

Accepted Answer

Y

Question 23

Solve: 3(x - 5) + 2x = 4x - 8

Accepted Answer

x = 7

Question 24

The vertex of a central angle is ____________ and the intercepted arc is _____________

Accepted Answer

At the center of the circle; equal to the central angle.

Question 25

To see an up and down fraction on your calculator

Accepted Answer

Press control ÷

Question 26

To find the slope of a perpendicular line you

Accepted Answer

Invert the slope and change the sign.

Question 27

To find the angle made by two intersecting chords in a circle

Accepted Answer

Add the intercepted arcs and divide by 2

Question 28

How many sides does a dodecagon have?

Accepted Answer

12

Question 29

A prism has the same shape on the top and the base.

Accepted Answer

True

Question 30

In the formula 1/2lp + B for Surface area of a pyramid, the B stands for:

Accepted Answer

Area of the base of the pyramid.

Question 31

Which of the following is false?

Accepted Answer

tan θ = opp/hyp

Question 32

To bisect a line or angle means

Accepted Answer

Cut it in half.

Question 33

To find slope

Accepted Answer

rise up, then run out the door, m = (Y2 - Y1)/(X2-X1), draw the slope triangle on graph paper, Ryse over run

Question 34

When 2 chords intersect in a circle the chord lengths can be found by

Accepted Answer

part ⋅ part = part ⋅ part

Question 35

How many lines of symmetry does an A have?

Accepted Answer

1

Question 36

How many questions should I try to get right on the SOL?

Accepted Answer

More than 35., 34 with no more than 6 guesses

Question 37

When two secant form an angle outside the circle, the angle measure is

Accepted Answer

(Larger arc - smaller arc)/2

Duplicate of Geometry Formulas not on VA SOL Formula Sheet

Questions 37

Duplicate of Geometry Formulas not on VA SOL Formula Sheet

Questions 37