Question

Which expression gives the measure of 12 years ago

Answer 1

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Answer 2

join \(VX\)

Answer 3

\(\angle XYZ\) is the external angle of \(\triangle VXY\) :

\(\large \angle XYZ = \angle YVX+ \angle VXY\)

Answer 4

familiar wid inscribed angles ?

Answer 5

nope and is it c?

Answer 6

use below formula :

http://www.regentsprep.org/Regents/math/geometry/GP15/CircleAngles.htm

Answer 7

scroll down to 4th section

Answer 8

Wow! Thank you for this!

Answer 9

np :) B is the correct answer btw

Answer 10

angle between chords = average of arcs intercepted

Answer 11

Its a little different here now http://prntscr.com/383a8p

Answer 12

Do I still do 1/2(90+90)?

Answer 13

we still use the same formula,
but we knw the angle here

Answer 14

nope, we already know the angle between chords.
we need to find the arc intercepted

Answer 15

90 = 1/2(43+x)

Answer 16

solve x

Answer 17

47? ;o

Answer 18

nope, try again

Answer 19

90 = 1/2(43+x)

multiply 2 both sides

180 = 43 + x

Answer 20

solve x