Seudónimo Seudónimo
  • 15-08-2017
  • Mathematics
contestada

NEED HELP PLEASE don't know how to solve

NEED HELP PLEASE dont know how to solve class=

Respuesta :

Banabanana
Banabanana Banabanana
  • 15-08-2017
The angle formed by the intersection of tangent and secant outside the circle equals half the difference of the intercepted arcs.

[tex] \frac{10x+20-80}{2}=2x+15 \\ 10x-60=2(2x+15) \\ 10x-60= 4x+30 \\ 10x-4x=30+60 \\ 6x=90 \\ x=90/6 \\ x=15[/tex]
Answer Link

Otras preguntas

Mood is established by _____. plot landscape or setting setting and plot
Rugs sell for 8$ per square foot. Beth bought a 9-foot-long rectangular rug for $432. How wide was the rug?
how the United States mobilized for war both at home and abroad ?
How were most of the political boundaries of Africa created? Africans went to the polls to democratically vote for their preferred boundaries. African leaders w
The Treaty of Paris gave __________ to the United States. A. state constitutions B. a unicameral legislature C. the Northwest Territory D. the Articles of Confe
explain how changes in an ecosystem can sometimes be helpful and sometimes harmful
Prosecution of Nazi war criminals. 2 words.
what is the measure of one angle of a regular octagon
The height of a cone-shaped statue is 9 ft, and the diameter is 12 ft. What is the volume of the statue? Use 3.14 to approximate pi, and express your final answ
What is the MAD of the data set? {13, 6, 3, 7, 11}