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jekas [21]
2 years ago
14

Inscribed angles math lib Need help with number 2 , 3 , and 4 thank you!!!

Mathematics
2 answers:
antiseptic1488 [7]2 years ago
8 0

Answer:2

Step-by-step explanation:

51+14x-38=180

13+14x=180

14=167

X=12

DENIUS [597]2 years ago
5 0

Answer:

See solutions below

Step-by-step explanation:

2) angle at the vertex is half that of its intercepted arc;

51 = 1/2(14x-38)

51*2 = 14x-38

102 = 14x-38

14x = 102 + 38

14x = 140

x = 140/10

x = 14

3) 9x+7 = 1/2(68)

9x + 7 = 34

9x = 34-7

9x = 27

x = 27/9

x = 3

4) 114 = 1/2(30-(8x-36+40))

114 = 1/2(360-8x+36-40)

114*2 = 356 - 8x

-8x = 228-356

-8x = -128

x = 128/8

x = 16

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