2 years ago

NEED HELP NOW! Solve for x.A. 7 B. 1 C. 9 D. 12

Mathematics

2 answers:

Delvig [45]2 years ago

8 0

Answer:

dgdgd

Step-by-step explanation:

xcg\TEW

stira [4]2 years ago

5 0

Answer:

the value of x is 9

Step-by-step explanation:

Tangent chord angle = half of intercepted arc

4x+19 = half of minor arc DE

$4x+19 = \frac{1}{2} \ of \ minor \ arc \ DE$

Multiply by 2 on both sides

minor arc DE= 2(4x+19)= 8x + 38

sum of angle in a circle is 360 degree

minor arc DE + major arc DE = 360

$8x + 38 + 28x-2= 360$

$36x + 36= 360$

Subtract 36 from both sides

$36x=324$

Divide both sides by 36

x=9

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