Addition
12 + 10 =
22
80 times 80
6,400
what angle is between 91 degrees and 179
OBTUSE angle
how many sides does a octagon have
8 sides
34-12=
22
100 + 56 =
156
7 times 7
49
what are lines that intersect or cross to form 4 right angles
perpendicular lines
what has 4 angles and a set of parallel lines
square
20 - 45 =
25
15 + 17 =
32
8 times 8
64
an angle is formed by two rays that have the same
endpoint
how many sides does a pentagon have
5 sides
8 - 5 =
3
8 + 12 =
20
5 times 5
25
what angle is exactly 90 degrees
Right angle
name the 2d shapes
circle, triangle, square, rectangle, pentagon, quadrilateral, hexagon, octagon,
500-14=
486
67 + 39 =
106
9 times 9
81
a line with one endpoint is a
ray
what is a quadrilateral
a 4 sided polygon with 4 angles
90-56=
34