SOHCAHTOA
Parallelograms and Quadrilaterals
Angles in Circles
Arclength and Sectors of a Circle
Equation of a Circle
100
Consider this right triangle:
Select the ratio equivalent to tan(B).
10
100
What is a quadrilaterial with four congruent sides and no right angles?
Rhombus
100
If arc AB = 60o and arc DC = 82o, what is <3?
71o
100
Find the area of the shaded sector. Round your answer to the nearest tenth. Use 3.14 for .
94.0 m2
100
A
200
Which trigonometric function would you use to find AC using the m<A and BC?
Tangent Ratio
200
Examine the parallelogram below.
Determine what is the correct value for x.
x=10
200
Suppose arc CD = 120o and arc AB= 54o. Find <E.
33o
200
Find the arclength AB when the diameter of the circle is 12 inches.
110/30
or 3.66
200
Identify two equations that represents a circle with diameter length of 18.
Choice 2 and Choice 4
300
Compute/calculate the length of BC if the angle given the following data for <A is 60o :
sin 60o =.866
cos 60o =.500
tan 60o= 1.732
10.4
300
a=40;b=30
300
In circle P, <ADB is 30o. Find the measure of <APB.
60o
300
Find the length of ABC in circle D
6.2
300
What is the standard form of the equation of a circle with center (-3,2) and radius 4?
Choice 1
400
A pine tree makes a shadow of 120 ft. If the angle of elevation is 50o, which is the closest distance from the top of the tree to the tip of the shadow?
sin 50o=.766
cos 50o=.643
tan 50o=1.192
186.6 ft
400
Triangle XYZ is plotted in the coordinate plane with points X(4,-1), Y(5,6), Z(1,3). Triangle XYZ is a triangle which best classified as ________triangle
isosceles
400
What is the value of xo ?
112o
400
What is the value of xo ?
112o
400
A circle is defined by the equation (x-4)2 +y2 = 9. Identify TWO points that lie on the circle.
Choice 2 and 3
500
Two girls stand on the opposite sides of a lake shown below. Girl A stands 30 yards away from a nearby tree. Girl B views the tree at an angle of 70 degrees . To the nearest whole yard, how far is Girl A to Girl B, d ?
11 ft
500
Quadrilateral WXYZ has vertices W(-5,-1), X(1,3), Y(3,0) and Z(-3,-4). Quadrilateral is best classified as a__________________.
Rectangle
500
uppose arc AB= 110o and <A is 36o. Find <B.
89o
500
Matthew rides on his cool motorcycle bike everyday. The diameter of of the wheel is 20 inches and the central <ABC is 30 degrees.
Find the approximate area of the sector ABC on the bike's wheel?
26 sq. in
500
Find the radius of the circle described by the x2+4x+y2-6y=23.
6