Question

pre algebra- Find the measure of Angle 1 in the diagram below.

Answer 1

please help on those two? :( @math&ing001

Answer 2

Long time haven't done this, let me refresh memory :p

Answer 3

oh okay! :p

Answer 4

Ok apparently it's half the sum of the 2 arcs ie. <1=1/2(36+114)

Answer 5

umm..150? would that be the answer?

Answer 6

Times 1/2

Answer 7

75?

Answer 8

Yep !

Answer 9

what about the second one?

Answer 10

thanks so much by the way :)

Answer 11

Anytime ^^ Use the same rule for the second 75=1/2(x+96) and solve for x.

Answer 12

Sry it's 73 on your sheet not 75

Answer 13

oh so the answer would be b, 50?

Answer 14

Yeah, that's correct !
For more info on angles inside cercles refer to this page http://www.regentsprep.org/regents/math/geometry/GP15/CircleAngles.htm
Good luck :D