what is the definition of a radius
a straight line from the centre of a circle or sphere
what kind of pattern is the following : 1,2,3,4,5 etc
growing pattern
what is the ones place. 100
0
what is half of 90 degrees
45 degrees
0.7 + 0.8
1.5
what is the formula to solve the area of a circle
pi r squared
what is the definition of a repeating pattern
a set of elements or objects are arranged in a specific order and then this order is repeated multiple times
what is the hundreds place 12049820.
8
what is a line called in math terms
lined segment
0.9 - 0.7
0.2
what is the outside of a circle called
circumference
true or false : a growing pattern has to have integers
False
round to the nearest ten 123938402840284038402939920398402902930903949020
2
what is an acute angle
any angle smaller than 90 degrees
0.3 X 0.7
0.21
true or false : every circle has a finite number of chords
false
what are the next three terms to this pattern. 8,6,12,10,20,
18, 36, 34
round to the nearest hundred thousand 10903830
9
what is an obtuse angle called
anything bigger than 90 degrees
0.17/ 0.75
0.23
why do you have to square the radius in the formula to solve a circle
you have to because if you cut the circle up into an infinite amount of pieces the radius is just the sides
what are the next 7 terms 0, 1, 1, 2, 3, 5, 8, 13, 21
34, 55, 89, 144, 233, 377, 610
round to the nearest million 777789223
8
what is a straight angle
an angle that is 180 degrees
1.3