Congruence
Congruent triangles are always similar. (T/F)
True
List one similarity theorem.
AA
Sin measures what ratio on a right triangle?
Opp/hyp
What is the formula for area of a circle?
(pi)x(r^2)
LSA is greater than SA (T/F)
False
Sides of congruent triangles are equal because of what statement?
CPCTC
Triangles that are similar have the same...
Proportions
The inverse of Sin with a ratio of 15/38 equals what angle? Use a calculator and round to the nearest hundredth.
23.25
How many circles are in a sphere?
Four
What is the volume of a cylinder with a radius of 4 and height of 5 in terms of pi?
80pi
List all triangle congruence theorems.
SAS, SSA, ASA, HL, and SSS
Triangles A and B are similar with a 2:1 ratio. If Triangle A has a side that equals 8, what does the corresponding side of Triangle B equal?
4
You are given a horizontal distance of 1032 feet to one point. From that point, the angle of elevation is 15 degrees. After moving, the angle of elevation becomes 6 degrees. Find the distance from point A to point B. Round your answer to the nearest hundredth, draw it out, use paper and a calculator.
1598.95
What is the arc length of a circle with a central angle of 60 degrees and a radius of 8 in terms of pi?
(16/6)x(pi)
What is the volume of a cone with a height of 7 inches and a radius of 3 inches in terms of pi?
21pi