Question

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Answer 1

`a=12\\b=7\\x=112^(\circ)\\y=68^(\circ)`

Explanation:

This shape is a parallelogram. Remember that in a parallelogram, opposite sides/angles are equal - so we know that
`a=12` and
`b=7`, and
`x=112^(\circ)`. We can also see this shape is a quadrilateral, and we know that angles in a quadrilateral equal
`360^(\circ)`.
`360-(112*2)=360-224=136`. There are two angles left, so
`y=136/2 = 68^(\circ)`.