Special Properties, SMB-006

Eloise makes a sketch of the playground at her school.

What is the size of angle `x°`? (2 marks)

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`143^@`

Show Worked Solution

`text(Interior angles of a quadrilateral add up to)\ 360^@.`

`:. /_ x`	`= 360-(72 + 88 + 57)`
	`= 143^@`