Please help with both answers

Step-by-step explanation:

Solving (1):

Given: Trapezium APTR

Find

In the trapezium:

And AP is parallel to RT.

This implies that:

and

The sum of all angles is:

Recall that:

Divide by 2

Solving (2):

Given

Required

Find

Both angles are vertically opposie:

So:

Collect Like Terms

So:

answer: for each 3 girls there is 2 boys . 3: 2

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