Central/Inscribed Angles
Simply Radicals
Off on a Tangent
Vocab, Arc Length, and Sector Area
Circumference & Area
Formulas to Rack your brain
100
Find angle ADB.
What is 38?
100
sqrt 3+ sqrt4 +2sqrt3
3sqrt3+sqrt4
100
What is 5?
100
Find the area of the sector to the nearest hundredth.
84.82 square units
100
Find the circumference of a circle with radius of 10 meters. Round to the nearest tenth.
What is 62.8 meters?
100
Circumference formulas (both)
What are
C=2pir and C=pid
200
What is angle BCA called?
What is an inscribed angle?
200
Simplify:
sqrt 180
18sqrt5
200
What is 5?
200
Find the area of the sector formed by arc XY. Round to the nearest tenth.
What is 25.1?
200
Find the area of a circle with diameter of 24 meters. Round to the nearest tenth.
What is 452.4 square meters?
200
Area of a circle
What is
pir^2
300
What is 124?
300
Simplify:
sqrt150
6sqrt5
300
Is AB tangent to circle O?
NO
300
Name a tangent?
What is BH or any combination of B,H, and J.
300
The exact circumference of a circle with radius 5.
What is 25 pi?
300
Area of a sector
What is
x/360 (pir^2)
400
Find angle PQR.
What is 92 degrees?
400
(3sqrt50)/sqrt5
3sqrt10
400
Find Perimeter.
What is 8.6?
400
Name a secant?
What is BD.
400
What is the radius of a circle with circumference of 33 in.to the nearest hundredth.
what is 5.25?
400
Length of an arc
What is
x/360 (2pir)
500
What is 59 degrees?
500
(7sqrt5)/sqrt3
(7sqrt15)/3
500
Find AC.What is 12?
500
Find the length of arc XY. Round to the nearest tenth.
What is 6.3?
500
What is the area of a circle with a circumference of 155 ft?
What is 1911.85
1911.95 ft^2
500
Pythagorean theorem
a^2+b^2=c^2