A) Complete this sentence : Angle XBC equals 55 because... B) Work out angle BXC
Give a reason for each angle you work out.

m∠BXC = 70°.

We start out with m∠XBC.  It is 55°, because it is a corresponding angle with ∠AXY.

Since ∠XBC and ∠XCB are the base angles of an isosceles triangle, they are congruent.  This means that m∠XCB = 55°.

To find the measure of ∠BXC, we find the sum of the two base angles in the isosceles triangle and subtract it from 180:

180-(55+55) = 180-110 = 70°

Step-by-step explanation:

i would be happy to . most people on would also love to i'm sure. if you just want someone who has done algebra before and want a little more personal relationship than just begging strangers for , i can certainly be of service. i do have college myself so i might not be 24/7.

step-by-step explanation:

step 1: solve one of the equations for one of the variables. let's solve the first equation for y:

step 2: substitute that equation into the other equation, and solve for x.

step 3: substitute x = 4 x = 4 x=4 into one of the original equations, and solve for y.