Solve for X
Congruent Triangles
Exponents
Angles
Dilations
100

4x+12=20

x=2

100

△ABC=

△CBA

100

33

27

100

Below 90 Degree Angle

Acute Angle

100

3,9 -> 9,27

3

200

9x+36=90

x=6

200

△ABCDE=

△EDCBA

200

43

64

200

Above 90 Degree Angle

 Obtuse Angle

200

5,15 -> 20,60

4

300

6x+12=24+2x

x=3
300

△ABCD  D=

A

300

64

1296

300

90 Degree Angle

Right Angle

300

16,13 -> 80,65

5

400

4x+3=-5x+21

x=2

400

△ABCDEF B=

E

400

98

43046721

400

Adds up to 180 Degrees

Supplementary Angle

400

19,12 -> 152,96

8

500

-2x(2)+73(2)=-89

x=58.25

500

△ABCDEFG C=

E

500

129

5159780352

500

Adds up to 90 Degrees

Complementary Angles

500

14,21 -> 154,231

11

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