Polygons
Cirquel du Peri
You should Tri A&P
Trick or Nometry?
Trick or Nometry but Special
100
Find the area of the rectangle (rounded to three decimal places)
36.540 ft2
100
Find the area of the circle:
64\pi or 201.062
100
What is the formula for the area of a Triangle?
A=1/2 base*height
100
Find sin(A) as a fraction.
12/13
100
I know that no one wants to pick Special Right Triangles. Therefore:
The team that picks this gets an automatic 200 points.
200
Find the area of the sus shaded region:
(10*12)-(7*2)=106m^2
200
Find the area of the circle:
289\pi
or 907.920
200
What is the area of this triangle to the nearest three decimals?
A = 10.150 ft2
200
Find the length of x
x=21^2-8^2=19.416
200
What is the length of x and y?
This is a special right triangle! Use SRT relationships!
x=2*5=10
y=5*\sqrt3 or 8.660
300
Find the area of the trapezoid:
Area=(base_1+base_2)/2height
(6+8)/2*5=35
300
Find the area of the shaded sector of the circle:
Area =\theta/360\pir^2
Area=60/360\pi8^2
10.667\pi or 33.510
300
Find the area of the following triangle:
Area = 1/2 14*10=70m^2
300
Find the measure of
\angle\theta
\theta=tan^-1(20/12)=59.036
300
Find the length of the remaining sides using Special Right Triangles:
Leg=5/\sqrt2=5\sqrt2/2
You cannot have a square root in the denominator!
400
Find the perimeter:
32 m
400
Find the area of the shaded blue region:
27^2\pi-20^2\pi=329\pi or 1033.584
400
Find the area of the triangle:
Area=1/2 14*5=35
400
Find the measure of
\angle?
cos^-1(9/11)=35.096
400
Find the length of the remaining sides using Special Right Triangles
AB=8
AC=8\sqrt3
500
Calculate the area of the shape:
27 cm2
500
Find the area of the pink shaded region:
16^2\pi-12^2\pi=112\pi or 351.858
500
Find the area of the triangle:
x=4
Area=4*4=16
500
Solve for y and x
x=2/tan(5)=22.860
y=2/sin(5)=22.947
500
I'm so proud of you for picking this one. You don't have to take the final exam, 100% for you.
The rest of you, find the lengths of the sides.
6\sqrt3 or 10.392
9