What time is it?
1:30
Half past one
I have 3 sides and 3 angles
Triangle
I measure more than 0º and less than 90º
Acute angle
396+57
453
3.15
Quarter past three
I have 4 equal sides and 4 right angles.
I measure exactly 180º
Straight angle
627-39
588
9.55
Five to ten
I have four sides. The pair of opposite sides are equal and parallel to each other. Opposite angles are also equal.
Parallelogram
The place where the two lines meet.
Vertex
25/5
5
5.35
Twenty five to six
I have three sides. All of my sides are different.
Scalene triangle
I measure exactly 360º
Reflex angle
276/6
46