More cards in this set

Card 6

Front

area is 1/2 (a +b)h

Back

Preview of the front of card 6

Card 7

Front

Less than 90 degrees

Back

Preview of the front of card 7

Card 8

Front

Center to rim of a circle

Back

Preview of the front of card 8

Card 9

Front

3.1416825

Back

Preview of the front of card 9

Card 10

Front

Imperial Lenght

Back

Preview of the front of card 10