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olchik [2.2K]
3 years ago
13

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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