areas of circles
What is the area of a circle with radius=6m? (LEAVE PI IN YOUR ANSWER)
36π m^2
What is the circumference of a circle with diameter = 11m? (LEAVE PI IN YOUR ANSWER)
11π m
What is the area of a sector in a circle with radius =12m and central angle = 30 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
37.68 m^2
What is the arc length of a circle with diameter = 92m and a central angle of 35 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
28.0855 m
In a proof, what is the reason for why you would say AB=AB?
Reflexive Property
What is the area of a circle with radius = 1.5m? (LEAVE PI IN YOUR ANSWER)
2.25π m^2
What is the circumference of a circle with diameter = 100.6m? (LEAVE PI IN YOUR ANSWER)
100.6π m
What is the area of a sector in a circle with radius = 3m and central angle =45 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
3.5325 m^2
What is the arc length of a circle with diameter = 29m and a central angle of 160 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
40.471 m
The point A(4,-4) is reflected across the y axis. What is the point A'?
(4,4)
What is the area of a circle with diameter = 11m? (LEAVE PI IN YOUR ANSWER)
30.25π m^2
What is the circumference of a circle with radius = 16.4? (LEAVE PI IN YOUR ANSWER)
32.8 π m
What is the area of a sector in a circle with diameter= 11 and central angle = 20 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
5.2769 m^2
What is the arc length of a circle with radius = 43m and a central angle of 14 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
10.5 m
AB is directly across from CD. BC is directly across from AD.
The slopes of the sides are the following:
AB=3/4
BC=-4/3
CD=3/4
AD=-4/3.
The four sides are not all congruent. What is the MOST SPECIFIC NAME for the quadrilateral?
Rectangle
What is the diameter of a circle with an area of = 100π m^2?
20 m
What is the radius of a circle with circumference = 15π m?
7.5 m
What is the area of a sector in a circle with diameter = 50m and central angle = 120 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
654.1667 m^2
What is the arc length of a circle with radius = 39m and a central angle of 100 degrees? (DO NOT LEAVE PI IN YOUR ANSWER)
68.03 m
The reference angle of a right triangle is a 43˚. The adjacent side is 5. What is the opposite side?
If the area of a circle is 113.04 m^2 what is the radius of the circle? (THINK ABOUT THIS ONE CAREFULLY)
6m
If the circumference of a circle =1000 cm, what is the radius? (THINK ABOUT THIS ONE CAREFULLY)
159.2 m
The area of a circle is 55 m^2. The area of a sector in the circle is 13.75 m^2. What is the measure of the central angle in degrees?
90 degrees
If the arc length of a circle = 12m and the circumference of that circle = 72m. What is the measure of the central angle in degrees?
60 degrees
In a 30-60-90 Right Triangle, the side opposite of the 60˚ angle is 4. What is the hypotenuse? (HINT: Draw the triangle)
8sr3/3