What do the angles in a polygon add up to?
Please enable Java for an interactive construction (with Cinderella).
the 4 angles in a quadrilateral add up to:
Choose...
180
270
360
450
540
630
720
810
900
1080
1260
1440
the 5 angles in a pentagon add up to:
Choose...
180
270
360
450
540
630
720
810
900
1080
1260
1440
the 8 angles in an octagon add up to:
Choose...
180
270
360
450
540
630
720
810
900
1080
1260
1440
What do the angles in a polygon add
up to?