-1 + -1?
-2
simplify 5/15
1/3
a line that does not touch the diameter and is within the circle
an angle that measures less than 90 degrees is an..?
acute angle
the area is 48.
-1 + -20?
-21
1/6 + 1/6
2/6
If the radius of a circle is 8, what is the diameter?
16
an angle that measures 180° is a?
straight angle
(20) - (-18)?
38
simplify 12/24
1/2
if the diameter is 32, what is the radius?
16
what does an obtuse angle measure to?
more than 90 degrees but less than 180
(113) + (-82)
31
6/4 x 1/8
3/16
the radius of a circle is 12, what is the circumference?
75.4
a right angle measures?
90 degrees
(1528) + (3697)
2169
simplify 66/93
22/31
the diameter is 166, what is the circumference and radius?
circumference=521.5
what is a reflex angle?
a reflex angle is an angle that measures more than 180 but less than 360