Area

triangle

100

triangle 

b=18 cm  h=6 cm    

 what is the area

54cm²

200

triangle

 b=30 cm    h=7 cm

what is the area?

105cm²

300

triangle

b=83m   h=4m

what is the area?

166m²

400

triangle

b=67mm    h=21mm

what is the area

703.5mm²

500

triangle

b=5m     h=2m

what is the area?

5m²

square

100

square

a=24cm²   h=4cm

what is b?

b=6cm

200

square

a=44m²   h=2m

what is b?

b=22m

300

sqaure

a=100cm²  b=20 cm

what is h?

h=5cm

400

square 

a=88cm²   h=11cm

what is b?

b=8cm

500

square

a=27m²    b=3cm

what is h?

h=9cm

circle

100

d=30cm

what is c?

c=94.247cm

200

d=23

what is c?

c= 72.256

300

d=66

what is c?

c=207.345

400

r=50

what is d?

d=100

500

r=10

what is c?

c=62.831

trapezoide

100

B=4cm  H=6cm  L=8cm

40cm²

200

B=3cm  H=7cm  L=4cm

17cm2

300

B=2cm  H=4cm   L=10cm

30cm²

400

B=7cm  H=6cm  L=10cm

65cm2

500

B=9cm   H=2cm  L=10cm

55cm²

multiplication

100

10x2

20

200

10x3

30

300

4x10

40

400

5x5

25

500

9x9

81