Question

Lines

AB
, and
CD
are straight lines. Find x and y. Give reasons to justify your solutions.

Answer 1

x=27, y=18

Explanation:

Angle CB is 128, which means angle AC is 72. We can confirm angle O is also 72, since the lines are straight. Angle AM is 27, because AN is a right angle. 63+72+27= 162 180-162=18 Angle ND is 18.

Answer 2

X = 27° , Y = 38°

Explanation:

In the picture.

Finding X is easy.

But, to find Y there are

a small trick I catch it lol .

The Trick is Head to Head ( AD = CB )

I wrote it in the picture .

Just equal it and find the value of Y .

I hope that explain is a clear.