The question is asking for the size of angle \(y\). The question involves work on geometry and it may be necessary to use some angle facts. Use the answer to step C to work out the value of the ...

Use the answer to step C to work out the value of the angle highlighted. \(x = 13\) so substitute 13 into the expression \(2x - 3\). \(2 \times 13 - 3 = 23\) Therefore the value of the highlighted ...