Angles (Edexcel IGCSE Maths A (Modular): Foundation Unit 1): Exam Questions

Write down the mathematical name of the angle marked $x$

$ABC$ is parallel to $DEFG$
$BC=BF$
Angle $ABE=39°$
Angle $CFG=63°$

Work out the size of angle $x$.
Give a reason for each stage in your working.

The diagram shows two triangles $ABE$ and $ECD$

Triangle $ABE$ is isosceles with $AE=EB$
$ADE$ and $EBC$ are straight lines.

Angle $CDE=42°$
The reflex angle $ECD=296°$
Angle $BAE=x°$

Work out the value of $x$