subtracting Intergers
9+(-6)
3
Why is Pi Day on March 14?
because march is the 3rd month and the 14 is the day
What is a terminating decimal?
a decimal that keeps repeating
What do we call two angles which add to 90°?
complementary
9-(-6)
15
what is the number for pi
3.14
what is a repeating decimal
a decimal that repeats itself
What do we call an angle that measures less than 90°?
acute
-8 - (-4)
-4
What is diameter?
the distance across the circle
71.9-39.49= ???
32.41
What do we call two angles which add to 180°?
supplementary
10 - (-4)
14
how many numbers are in pi
∞
86.8+7.811=????
94.611
What do we call an angle that measures 180°?
straight
3 - (-3)
6
what is a radius ?
half the diameter
62.1+39.56=????
101.66
What do we call two angles which share a side and a vertex?
Adjacent