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Geometry Review Set 1 - Terms & Formulas and their Applications Flashcards | StudBud
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Geometry Review Set 1 - Terms & Formulas and their Applications
Geometry Review Set 1 - Terms & Formulas and their Applications
25 terms
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22 plays
Students recall important formulas and terms and apply them to solve problems
Flashcards
25 cards
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Questions
25
Answers
1
Find the area of a circle that has a
diameter of 6 inches.
12π in2
9π in2
6π in2
36π in2
2
The measure of
one
interior angle on a
regular
polygon with n sides is...
180-n
360/n
(n-2)×180/n
(n-2)×180
3
Alternate interior and alternate exterior angles are always, sometimes, or never congruent?
Never
Always
Sometimes
4
Find the circumference of a circle with a
radius
of 7 ft.
14 ft
14π ft
7π ft
49π ft
5
Which is true of angles 2 and 7 in the diagram?
They are supplementary
Not enough information to say either of these things.
They are congruent
6
An acute triangle contains
exactly
two acute angles always, sometimes, or never?
Never
Sometimes
Always
7
A right triangle is also equilateral always, sometimes, or never?
Sometimes
Always
Never
8
How does an interior angle of a polygon relate to an exterior angle at the same vertex?
They are supplementary
They are congruent
There is no relationship between them
They complementary
9
Find the
area
of a circle that has a
circumference
of 16π m.
8π m2
256π m2
64π m2
19,585.3 m2
10
An equilateral triangle contains a 60º angle always, sometimes, or never?
Sometimes
Always
Never
11
Which formula will tell you the interior angle sum in any polygon with n sides?
(n-2)×180/n
360/n
None. All of these formulas only work for regular polygons.
(n-2)×180
12
Find the diameter of a circle that has an
area
of 100π cm
2.
17.7 cm
100 cm
20 cm
10 cm
13
An obtuse triangle contains
exactly
two acute angles always, sometimes, or never?
Sometimes
Never
Always
14
Which of the following is the formula for the circumference of a circle?
2πr
πr
πr2
2πd
15
Which of these do NOT need
3 congruence
statements leading up to them to be used in a proof?
SAS
HL
None of these. They ALL require 3 congruence statements
ASA
16
An obtuse triangle contains two obtuse angles always, sometimes, or never?
Always
Sometimes
Never
17
Which of these is the formula for the area of a circle?
πd
πr
πr2
2πr
18
An isosceles triangle is also obtuse always, sometimes, or never?
Never
Sometimes
Always
19
Find the perimeter of the following figure.
8π cm
4π cm
4π+8 cm
8π+8 cm
20
Vertical angles are always, sometimes, or never congruent?
Sometimes
Always
Never
21
A right triangle contains an obtuse angle always, sometimes, or never?
Always
Never
Sometimes
22
A square has an
area
of 400 ft
2
. What is the
perimeter
of the square?
10,000 ft
80 ft
400 ft
20 ft
23
Which of the following must be true?
∠2 = ∠4
∠4 +∠2 =∠1
∠1+∠2 = ∠4
∠1+∠2+∠4 = 180º
24
Which of the following is a valid method of proving triangles congruent?
AAA
none of these
CPCTC
SSA
25
Find the perimeter of the following figure
68 cm
68 +7π cm
54+7π cm
54 +14π cm
