Triangles
Multiply
Al G Brough
Roman Numerals
Plus and Minus
100

SSS stands for

Side, Side, Side

100

7x9

63

100

n + n

2n

100

X

10

100

6 -7

-1

200

Pyhtagoras Theorem

a2+b2=c2

200

12 x 12

144

200

3n x 4a

12an

200

IV

4

200

- 3 - 9

-12

300

Sin, Cos and ???

Tan

300

12 x 110

1320

300

4a + n + 3a

7a + n

300

C

100

300

- 4 - (- 2)

-2

400

This triangle has two 2 equal angles and matching sides

Isoceles

400

98 x 6

598

400

Solve 2n=110

n = 55

400

CM

900

400

9 x -9

-81

500

Complete the Pythagorean Triad

_ , 12, 13

5

500

23 x 45

1035

500

nx n3

n10

500

MDCCXIX

1719

500

7 - (-4) x 7

77

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