CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never...
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Transcript of CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never...
![Page 1: CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never Random 10 20 30 40 50.](https://reader030.fdocuments.in/reader030/viewer/2022032804/56649e555503460f94b4c76f/html5/thumbnails/1.jpg)
Geometry
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CH. 7 Right Triangles and Trigonometry
Ch. 8 Quadrilaterals
Ch. 10 Circles
SometimesAlways Never
Random
10 10 10 10 10
20 20 20 20 20
30 30 30 30 30
40 40 40 40 40
50 50 50 50 50
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Question 1 - 10
Find the geometric mean of 9 and 4
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Answer 1 – 10
6
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Question 1 - 20
Is √3, √4, √7 a Pythagorean triple
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Answer 1 – 20
NO, because Pythagorean triples need to be whole numbers!
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Question 1 - 30
• What is the pattern for a 45-45-90 triangle?• What is the pattern for 30-60-90
triangle?
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Answer 1 – 30
45 45 90n n n√2
30 60 90n n√3 2n
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Question 1 - 40
Solve for x. Round to the nearest hundredth.
37
35
12
xo
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Answer 1 – 40
You can use the inverse function of the trigonometric ratios.
SOHCAHTOA
sin-1 = cos-1 = tan-1 = 18.92
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Question 1 - 50
Solve for x.
6 x
60o
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Answer 1 – 50
4√3
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Question 2 - 10
Definition of a parallelogram.
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Answer 2 – 10
A quadrilateral with parallel opposite sides.
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Question 2 - 20
The interior angle sum formula for any convex polygon is?
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Answer 2 – 20
S=180(n-2)
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Question 2 - 30
The sum of exterior angles in any convex polygon is?
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Answer 2 – 30
360o
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Question 2 - 40
Determine if the quadrilateral is a parallelogram
<
<
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Answer 2 – 40
No, because the parallel side needs to be congruent as well.
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Question 2 - 50
The definition of a trapezoid?
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Answer 2 – 50
A trapezoid is a quadrilateral with exactly one pair of parallel sides.
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Question 3 - 10
An angle with its vertex as the center of a circle.
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Answer 3 – 10
Central angle
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Question 3 - 20
The definition of a tangent line
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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.
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Question 3 - 30
What is the equation of a circle?
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Answer 3 – 30
𝑟2=(𝑥−h)2+(𝑦−𝑘)2
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Question 3 - 40
The radius of a circle is 20 centimeters. Find the circumference. Need the exact answer!
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Answer 3 – 40
40π cm
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Question 3 - 50
• Write an equation of a circle with a center at ( 5, -2) with a diameter of 10.
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Answer 3 – 50
25=(𝑥−5)2+(𝑦+2)2
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Question 4 - 10
A Rectangle is _______ a parallelogram
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Answer 4 – 10
Always
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Question 4 - 20
A Rhombus is ________ a square.
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Answer 4 – 20
Sometimes
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Question 4 - 30
A square is _______ a rectangle.
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Answer 4 – 30
Always
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Question 4 - 40
A quadrilateral is ________ a parallelogram
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Answer 4 – 40
Sometimes
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Question 4 - 50
A square is _________ a rhombus and a rectangle
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Answer 4 – 50
Always
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Question 5 - 10
• What are the properties of a parallelogram.
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Answer 5 – 10
1. Both pairs of opp. sides are parallel and ≅2. Both pairs of opp. angles are ≅3. Consecutive angles are supplementary.4. Diagonals bisect each other
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Question 5 - 20
Given the trapezoid below find the length of the median.
16
25
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Answer 5 – 20
20.5 unit
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Question 5 - 30
A regular pentagon is inscribed in a circle. What is the measure of one arc.
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Answer 5 – 30
72o
![Page 49: CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never Random 10 20 30 40 50.](https://reader030.fdocuments.in/reader030/viewer/2022032804/56649e555503460f94b4c76f/html5/thumbnails/49.jpg)
Question 5 - 40
• Definition of a secant.
![Page 50: CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never Random 10 20 30 40 50.](https://reader030.fdocuments.in/reader030/viewer/2022032804/56649e555503460f94b4c76f/html5/thumbnails/50.jpg)
Answer 5 – 40
A line that intersects a circle in exactly two points.
![Page 51: CH. 7 Right Triangles and Trigonometry Ch. 8 Quadrilaterals Ch. 10 Circles Sometimes Always Never Random 10 20 30 40 50.](https://reader030.fdocuments.in/reader030/viewer/2022032804/56649e555503460f94b4c76f/html5/thumbnails/51.jpg)
Question 5 - 50
This person is famous for leading an expedition to the south pole on December 14, 1911.
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Answer 5 – 50
Who is Roald Amundsen