jetblackcap jetblackcap
  • 04-06-2019
  • Mathematics
contestada

Pleaseeeeeee help me!!!!!!!

Pleaseeeeeee help me class=

Respuesta :

moselino1234 moselino1234
  • 04-06-2019

Answer:

Step-by-step explanation:< at center is twice angle at circumfrence. where the dot is. drawing an angle of 108 degrees.

108/2=54

y and w=54.

to get z

40 +108 +2A=360(<at a point)

148+2a=360

2a=360-148

a=360-148/2=106

106 +w+z=180 <on a straight line

106+54+z=108

160+z=180

z=180-160

=20

Answer Link
jimrgrant1 jimrgrant1
  • 04-06-2019

Answer:

z = 20°

Step-by-step explanation:

The angle z formed by 2 chords is equal to half the intercepted arc, that is

z = 0.5 × 40° = 20°

Answer Link

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