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Geometry Formulas not on VA SOL Formula Sheet (SOL Review) TCH 23 Flashcards | StudBud
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Geometry Formulas not on VA SOL Formula Sheet (SOL Review) TCH 23
Geometry Formulas not on VA SOL Formula Sheet (SOL Review) TCH 23
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Review formulas that are not on the VA SOL Formula sheet
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1
When 2 chords intersect in a circle the chord lengths can be found by:
Set the difference of the chord segments equal and solving.
Add the intercepted arcs and divide by 2
Set the sum of the chord segments equal and solving
Set the products of the chord segments equal and solve.
2
The formula for midpoint is:
[ (X2+X1)/2 , (Y2+Y1)/2 ]
[ (X2-X1)/2 , (Y2-Y1)/2 ]
(X2-X1)2 + (Y2-Y1)2
3
Similar triangle sides are solved by writing:
A proportion of corresponding sides.
The pythagorean theorem.
Ratio of the perimeter to the area.
An equation for the perimeter.
4
In the formula 1/2lp + B for Surface area of a pyramid, the B stands for:
Area of the base of the pyramid.
Perimeter of the base of the pyramid.
Volume of the pyramid
Height of the pyramid.
5
In the formula for lateral area of a cone LA = πrl the l stands for:
Circumference of the cone.
Height of the cone.
Diameter of the cone.
Slant height of the cone.
6
Angle of depression = angle of elevation
True
False
7
Finding the surface area is similar to finding or doing:
Painting a room.
Covering some but not the top and bottom.
The capacity.
Nemo.
8
The first thing you should do when you open Desmos during the SOL is:
Reset it.
Use it as needed.
Check the mode for degrees.
9
The vertex of a central angle is ____________ and the intercepted arc is _____________
On the circle; equal to the central angle.
At the center of the circle; equal to the central angle.
On the circle; equal to twice the central angle.
At the center of the circle; twice the central angle.
10
How many sides does a dodecagon have?
10
12
20
11
11
The formula for slope is:
(Y2 - Y1)/(X1-X2)
(Y2 - Y1)/(X2-X1)
(X2-X1)/(Y1 - Y2)
(X2-X1)/(Y2 - Y1)
12
The formula for area of a sector of a circle is:
\frac{360}{arc}=\frac{S.A.}{\pi^2}
\frac{Arc}{360}=\frac{S.A.}{2\pi r}
\frac{360}{arc}=\frac{S.A.}{2\pi r}
\frac{Arc}{360}=\frac{S.A.}{\pi^2}
13
Which of the following does NOT have point symmetry?
Hexagon
Pentagon
Circle
Square
14
When two secants form an angle outside the circle, the angle measure is:
(Larger arc - smaller arc)/2
smaller arc - larger arc/2
(smaller arc - larger arc)/2
Larger arc - smaller arc/2
15
Trig - Shadows are located:
all of the above.
the hypotenuse of a right triangle.
on the ground.
vertical.
16
Perpendicular lines make 4
4 complementary angles
4 right angles
4 45 ° angles
4 180° angles
17
To find the area of a label on a soup can I would use the formula for:
Area of a circle
Lateral Area
Surface Area
Volume
18
To find the angle made by two intersecting chords in a circle:
None of the above
Subtract the intersecting arcs and divide by 2
Multiply the intersecting arcs and divide by 2
Add the intercepted arcs and divide by 2
19
What do you call a 6 sided figure?
Septagon
Hexagon
Octagon
Pentagon
20
How many questions should I try to get right on the SOL?
60
25
Around 30.
41
21
To bisect a line or angle means
Draw a perpendicular line to it.
Double it.
None of the above.
Cut it in half.
22
The inverse of "If I am tired I will not watch TV." is:
If I am tired I will watch TV.
If I am not tired I will watch TV.
If I don't watch TV then I am tired.
If I am not tired I will not watch TV.
23
Alternate interior angles:
Are congruent.
Add to 180°
24
To find the slope of a perpendicular line you...
The slope will be the same.
Multiply the slope by -1.
Flip
Flip and change sign
25
Which letter does NOT have point symmetry?
Y
O
H
X
26
A prism has the same shape on the top and the base.
False
True
27
Solve: 3(x - 5) + 2x = 4x - 8
x = 9
x = 7
None of the above.
x = 7/9
28
Another word for volume is:
Capacity
Fill/Full
Area
Hold
29
How many degrees are in a circle?
360
180
540
90
30
An inscribed angle in a circle is:
twice the central angle.
equal to the central angle.
twice its intercepted arc.
half its intercepted arc.
31
Inverse of: "If lines a and b are ll then they have equal slopes" is:
If lines a and b aren't ll then they don't have = slopes.
If lines a and b have = slopes then they are parallel.
If lines a and b don't have = slopes then they are parallel.
32
Two tangent lines to a circle form an exterior angle. The two tangent lines are:
never equal.
sometimes equal.
always equal.
it depends.
33
To test if three numbers make a triangle you must:
Check Pythagorean
Add/subtract 2 smaller numbers and make sure largest is in between.
34
How many lines of symmetry does an A have?
2
3
4
1
35
The sum of the exterior angles of a polygon is:
90
180
540
360
36
Trig - Which of the following is false?
tan θ = opp/adj
tan θ = opp/hyp
cos θ = adj/hyp
a2 + b2 = c2
37
Write the symbolic form: If I am hungry I won't eat. I eat. Therefore I was hungry.
p→q ~q ∴ p
p→~q q ∴ ~p
p→~q ~q ∴ p
p→~q p ∴ q
38
(n - 2)180 will give you:
The measure of one interior angle of an n-gon.
The measure of one exterior angle.
The sum of the interior angles of an n-gon.
The sum of the exterior angles of an n-gon
39
Trig - Which of the following is correct?
sin θ = hyp/opp
sin θ = opp/hyp
sin θ = opp/adj
sin θ = adj/hyp
40
When two secants intersect outside the circle, the secant measures can be found with:
None of the above
part*whole=part*whole
(Part*whole)2 = part*whole
Whole2=part*whole
