So Similar
What's Your Sine?
2D & 3D
Circle Up!
Probably Parallel
Challenge! (2x points)
100
If ∆ABC~∆DOG, then angle G is congruent to which angle?
Angle C
100
In triangle ABC, what is cos A?
Cos A = 9/41
100
Find the area of a trapezoid with bases 5 and 15 and height 9.
90 square units
100
What is
\bar(CE)
A tangent to circle O
100
Which angle relationship justifies that ℓ ║ m?
A ∠1 ≅ ∠7 B ∠4 ≅ ∠5
C ∠3 ≅ ∠4 D ∠6 ≅ ∠8
D ∠6 ≅ ∠8. They are corresponding angles.
200
Find all solutions:
(x+3)/9 = (x-1)/(x-3)
x=0, x=9
200
The lengths of 2 sides of a triangle are 9 and 10. The third side is between what 2 numbers?
1 and 19
200
Find the area of the figure.
100√3
200
Find x.
29
200
Given l ║ m, m∠3 = 5x + 10, and m∠2 = 3x + 10, find the value of x.
20
300
Solve for x:
4.5
300
The leg of a 45-45-90 triangle is 8√2. What is the perimeter of the triangle in simplest radical form?
16+16\sqrt2
300
Find the area of a regular hexagon with a side of 4 in simplest radical form.
24√3
300
If the measure of angle GKH is 30°,
find
m\hat(FJ)
76^\circ
300
Point X is chosen at random on JM. Find P(X is on KM)
11/14
300
The volumes of 2 similar solids are 432 m³ and 686 m³. If the area of the larger one is 147 m², find the area of the smaller one.
108 m²
400
Are the triangles similar and if so, what is the reason and scale factor?
Yes by SAS. Scale factor is 2:3
400
Solve for x.
Round to the nearest tenth. 
13.4
400
Two similar cylinder have heights of 3 inches and 8 inches. If the surface area of the larger one is 192 in², what is the surface area of the smaller one?
27 in²
400
Find
m\hat(AP)
57^\circ
400
What is the probability of drawing a 2 or a heart from a standard deck of cards?
4/13
400
8 swimmers are competing in the final, what's the probability that Sam and Jason are all in top 3?
(6C1)/(8C3)=3/28
500
If angles 1 and 2 are congruent, name the similar triangles
∆EAD~∆CAB by AA~
500
The base angles of an isosceles triangle are each 55º. The base is 40 cm long. Find the length of the altitude to the base to the nearest centimeter.
29 cm
500
Find the slant height.
Then find the surface area.
384
500
Find ZC
16
500
Mrs. Springer is trying to create different passwords starting with arrangements of the letters in the word BARON and then the numbers from the Fountain Valley zip code 92708. What is the probability that her password is BARON92708?
1/14400
500
\bar(AB)=2\bar(BP), \bar(CD)=\bar(DP)
\bar(DP)=3. Find the radius of circle.
\sqrt6