multiplication
geometry
square root
basic
decimals
100

2x30

60

100

right angle is

90 degrees

100

square root of 25 is

5

100

1+1

2

100

1/4

0.25

200

20x40

800

200

straight angle is

180 degrees

200

square root of 36 is

6

200

3+3

6

200

1/2

0.5

300

15x8

120

300

obtuse angle is

100 or above
300

square root of 4 is

2

300

4+4

8

300

3/4

0.75
400

40x9

360

400

acute angle is

less than 90

400

square root of 16 is

4

400

4x3

12

400

2/4

0.5

500

30x10

300

500

the formula for triangle

what is 1/2xbxh

500

square root of 49 is

7

500

5x6

30

500

5/11

0.45