

Geometry and Trigonometry Concepts
Interactive Video
•
Mathematics
•
9th - 10th Grade
•
Hard
Thomas White
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7 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the length of the third chord in the semicircle problem?
10
6
12
14
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the relationship between the angles opposite to equal chords in a semicircle?
They are different
They are equal
One is double the other
They are complementary
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the measure of an inscribed angle in a semicircle?
45 degrees
60 degrees
90 degrees
180 degrees
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How is the sine of theta related to the radius and chord length in the semicircle?
sin(theta) = 6/r
sin(theta) = 2r/6
sin(theta) = 6/2r
sin(theta) = r/6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for cosine of two theta in terms of sine squared theta?
cos(2θ) = 2sin²(θ) - 1
cos(2θ) = 2 - sin²(θ)
cos(2θ) = 1 - 2sin²(θ)
cos(2θ) = 1 - sin²(θ)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of the radius of the semicircle?
8
6
10
9
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What mathematical concept does this geometry problem lead to?
Quadratic equation
Differential equation
Linear equation
Cubic equation
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