1. Sandy earned A's on her first six geometry test so she concludes that she will always earn A's on Geometry tests.
Angles in Circles
Angles within a circle are feasible to create with the help of different properties of the circle such as radii, tangents, and chords. The radius is the distance from the center of the circle to the circumference of the circle. A tangent is a line made perpendicular to the radius through its endpoint placed on the circle as well as the line drawn at right angles to a tangent across the point of contact when the circle passes through the center of the circle. The chord is a line segment with its endpoints on the circle. A secant line or secant is the infinite extension of the chord.
Arcs in Circles
A circular arc is the arc of a circle formed by two distinct points. It is a section or segment of the circumference of a circle. A straight line passing through the center connecting the two distinct ends of the arc is termed a semi-circular arc.

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Semester
irections: Complete the problems below. Review the instruction materat
which relates to any questions.
- Solve the use the Polya's Strategy on your owWn.
1. Each triangle in the fiqure below has 3 dots. Study the pattern and
find the number of dots for 7 layers of triangles..
1 layer
3 dots
2 layers
6 dots
3 layers
4 layers
15 dots
10 dots
The table below shows numbers placed into groups I, II, III, IV, V
and VI. In which groups would the following numbers belong?
2.
a) 90
b) 122
c) 172
13
19
25
31
37
II
14
20
26
32
38
III
15
21
27
33
39
IV
16
22
28
34
V
17
23
29
35
VI
18
24
30
36
- Use the given nth term formula to compute the first five terms of the
uence.
2. 2 today e Thursday, what day is it 500
ys fxom now?
3.
X = (-1)(n²-n+7)
4. x, = 2
9. It it Ss now 10:00 A.M., what time ie it
1,000 hour: from now?
5. x = (-1)1n
Use che 3inec's Formuia and caloulate
to find the 95* and 800 Eibonacoi
10.
-1
6. X, =
number.
7.X =
222"
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