Trig
Triangles
Vocab
Circles
Mix
100
What are the three trig functions?
1. Sine
2. Cosine
3. Tangent
100
List the five congruence theorems
SAS, ASA, AAS, SSS, HL
100
What is the reflexive property?
It states that every segment is congruent to itself.
100
Find the center and radius of the circle
(x+4)2+(y-3)2=144
Center: (-4, 3)
Radius: 12
100
Write a similarity statement:
triangleABC~triangleDEF
200
What is the trig ratio for sina (reduced fraction)
12/15 = 4/5
200
Could 4, 6, 12 be the sides of a triangle?
No
200
What is the relationship between an inscribed angle and its intercepted arc?
The arc is twice as much as the angle.
200
Write the equation of the circle with center (1, -3) and radius
sqrt7
(x-1)2+(y+3)2=7
200
x = -47
300
Find AB (round to the nearest tenth)
8.4
300
The ratio of the angles in a triangle is 4:5:6, find the measure of each angle.
48 degrees
60 degrees
72 degrees
300
What is the relationship between a central angle and its intercepted arc?
They are equal
300
Find the area of the shaded region (round to the nearest tenth and include units)
85.8cm2
300
Simplify:
6/sqrt2
Simplify:
sqrt150
3sqrt2
5sqrt6
400
Find x (round to the nearest degree)
22 degrees
400
Find each of the angles
91 degrees
62 degrees
27 degrees
400
What is the scale factor or the smaller image to the larger image? (simplified fraction)
2/3
400
Find the three missing central angles and find the measure of arc SR, arc RP, and arc TRP
Missing Central Angles: 45 degrees, 45 degrees, 54 degrees
Arc SR: 81 degrees
Arc RP: 99 degrees
Arc TRP: 225 degrees
400
Solve for x and y
x=10
y=10sqrt2
500
A girl is standing 30 feet away from ARHS. If ARHS is 50 feet tall, find the angle of elevation from the girl to the top of the building. (round to the nearest degree)
*Hint: Draw a picture*
59 degrees
500
Use Pythagorean inequalities to classify this triangle as obtuse, acute, or right:
9, 8, and 5
Acute
500
In similar polygons, what is the relationship of the sides (proportional, congruent, or similar)?
Proportional
500
Find <C, <A, <B, arc BC, and arc ABC
<C: 60 degrees
<A: 30 degrees
<B: 90 degrees
Arc BC: 60 degrees
Arc ABC: 180 degrees
500
Solve for x and y
y=5sqrt3
x=10sqrt3