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Geometry Facts Flashcards | StudBud
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Geometry Facts
Geometry Facts
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Contains facts and formulas from ALL geometry (VA SOL). SOL review.
Flashcards
17 cards
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Practice quiz
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Questions
17
Answers
1
Which of the following is NOT a property of parallelograms?
opposite sides are congruent
Diagonals are congruent
Diagonals bisect each other
opposite angles are congruent
2
In a 45-45-90 triangle, the hypotenuse is ___ times the leg.
√2
√3
2
3
3
The area of a regular polygon is
(1/2)bh
(1/3)Bh
(1/2)*apothem*perimeter
(1/2)h(b1+b2)
4
What is the midpoint formula?
(y2 - y1)/(x2 - x1)
((x2 +x1)/2 , (y2 +y1)/2)
(x2 +x1)/2 + (y2 +y1)/2
(x2 - x1)/2 , (y2 - y1)/2
5
Which equation can be used to solve for a segment length in the circle pictured?
a + d = b + c
ad = bc
ab = cd
ac = bd
6
Write the sin(a)
4/5
3/5
3/4
4/3
7
The triangle inequality theorem says "The sum of any two sides in a triangle must be ____ than the third side."
greater than
greater than or equal to
less than or equal to
less than
8
In a triangle, the largest side is always...
labeled C
opposite the smallest angle
next to the largest angle
opposite the largest angle
9
What formula can you use to calculate the slope of a line?
(x2 - y2 )/ (x1 - y1)
\frac{\left(y_2-y_1\right)}{\left(x_2-x_1\right)}
\left(x_2-x_1\right)/\left(y_2-y_1\right)
(y1 + y2 )/ (x1 + x2)
10
What is the method to calculate the length of an arc of a circle?
[(arc measure)- 360] *2πr
(arc measure)/360
(arc measure)/360 *2πr
(arc measure)/360 *πr2
11
Which is the correct distance formula?
√(x2 +x1)2 + (y2 +y1)2
√(x2 +x1)2 - (y2 +y1)2
√(x2 - x1)2 + (y2 - y1)2
√(x1 +x2)2 + (y1 +y2)2
12
If a
2
+ b
2
> c
2
, then the triangle is...
acute
obtuse
right
fancy
13
A parallelogram with perpendicular diagonals MUST BE a...
Kite
square
rectangle
Rhombus
14
What are the triangle similarity postulates
SAS, SAS, ASA, AAS
SAS, SSS, AA
SSS, SAS, ASA, AAS, HL, AA
SSS, SAS, ASA, AAS, HL
15
In a 30-60-90 triangle, the ratio of the short leg: long leg: hypotenuse is...
1x: 3x : x√3
x : 2x : x√3
x: x√3: 2x
1x: 1x: x√2
16
cos (Θ) =
opp/adj
adj/hyp
opp/hyp
adj/opp
17
Which equation can be used to find the measure of angle D?
(AB - BC)/2
(BAC - BC)/2
AB/2
AB - BC
