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Angle Sum Theorem

100

#1

2,160

200

#2

140

300

#3

37

400

#4 and #5

360, 20

500

#6

25

Area

100

#9

12 cm²

200

#8

411.3 cm²

300

#7

11 sqrt(3) ft²

400

#10

120 m²

500

#11

32 cm

Circles

100

#15

C = 13 pi m

A = 42.25 pi m²

200

#16

A. 9 pi cm

B. 11 pi ft

300

#17

135 pi in²

400

#14

A. 80

B. 44

C. 180

D. 56

E. 80

F. 224

500

#13

A. 45

B. 12.07 (or 5/tan22.5)) cm

C. 80 cm

D. 482.84 cm²

Shaded Area and Probability

100

#18

(25 pi - 50) m²

200

#19

(36 - 9 pi) cm²

300

#20

0.75

400

#21

0.72

Random

500

#12

96 sqrt(3) in²