3 years ago

Find the value of x. The diagram is not to scale.

Mathematics

1 answer:

Temka [501]3 years ago

8 0

Answer:

$x=45$

Step-by-step explanation:

The angle sum of a pentagon is 540°

Using this and the angles we know, we can create an equation.

$90+148+112+x+3x+10=540 \\ \\ 360+4x=540 \\ \\ 4x=180 \\ \\ x=45$

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