Ch. 10
Circles
Sometimes
Always
Never
Random
10
10
10
10
20
20
20
20
20
30
30
30
30
30
40
40
40
40
40
50
50
50
50
50
CH. 7 Right
Triangles and
Trigonometry
Ch. 8
Quadrilaterals
10
Question 1 - 10
Find the geometric mean of 9 and 4
Answer 1 – 10
6
Question 1 - 20
Is √3, √4, √7 a Pythagorean triple
Answer 1 – 20
NO, because Pythagorean triples
need to be whole numbers!
Question 1 - 30
• What is the pattern for a 45-45-90
triangle?
• What is the pattern for 30-60-90
triangle?
Answer 1 – 30
45
n
45
n
90
n√2
30
n
60
n√3
90
2n
Question 1 - 40
Solve for x. Round to the nearest
hundredth.
37
12
xo
35
Answer 1 – 40
You can use the inverse function of the
trigonometric ratios.
SOHCAHTOA
12
-1
sin ( )
37
=
35
-1
cos ( )
37
=
12
-1
tan ( )
35
= 18.92
Question 1 - 50
Solve for x.
6
x
60o
Answer 1 – 50
4√3
Question 2 - 10
Definition of a parallelogram.
Answer 2 – 10
A quadrilateral with parallel
opposite sides.
Question 2 - 20
The interior angle sum formula for any
convex polygon is?
Answer 2 – 20
S=180(n-2)
Question 2 - 30
The sum of exterior angles in any
convex polygon is?
Answer 2 – 30
360o
Question 2 - 40
Determine if the quadrilateral is a
parallelogram
<
<
Answer 2 – 40
No, because the parallel side needs
to be congruent as well.
Question 2 - 50
The definition of a trapezoid?
Answer 2 – 50
A trapezoid is a quadrilateral with exactly one
pair of parallel sides.
Question 3 - 10
An angle with its vertex as the
center of a circle.
Answer 3 – 10
Central angle
Question 3 - 20
The definition of a tangent line
Answer 3 – 20
A Line that intersects the circle exactly at one
point (P.O.T). The tangent line is also
perpendicular to the radius of the circle.
Question 3 - 30
What is the equation of a circle?
Answer 3 – 30
𝑟 2 = (𝑥 − ℎ)2 +(𝑦 − 𝑘)2
Question 3 - 40
The radius of a circle is 20 centimeters. Find the
circumference. Need the exact answer!
Answer 3 – 40
40π cm
Question 3 - 50
• Write an equation of a circle with a center at
( 5, -2) with a diameter of 10.
Answer 3 – 50
25 = (𝑥 − 5)2 +(𝑦 + 2)2
Question 4 - 10
A Rectangle is _______ a parallelogram
Answer 4 – 10
Always
Question 4 - 20
A Rhombus is ________ a square.
Answer 4 – 20
Sometimes
Question 4 - 30
A square is _______ a rectangle.
Answer 4 – 30
Always
Question 4 - 40
A quadrilateral is ________ a parallelogram
Answer 4 – 40
Sometimes
Question 4 - 50
A square is _________ a rhombus and a
rectangle
Answer 4 – 50
Always
Question 5 - 10
• What are the properties of a parallelogram.
Answer 5 – 10
1.
2.
3.
4.
Both pairs of opp. sides are parallel and ≅
Both pairs of opp. angles are ≅
Consecutive angles are supplementary.
Diagonals bisect each other
Question 5 - 20
Given the trapezoid below find the length of the
median.
16
25
Answer 5 – 20
20.5 unit
Question 5 - 30
A regular pentagon is inscribed in a circle. What
is the measure of one arc.
Answer 5 – 30
o
72
Question 5 - 40
• Definition of a secant.
Answer 5 – 40
A line that intersects a circle in
exactly two points.
Question 5 - 50
This person is famous for leading an expedition
to the south pole on December 14, 1911.
Answer 5 – 50
Who is Roald Amundsen