3 years ago

What is the value of x in the polygon below?

Mathematics

1 answer:

astraxan [27]3 years ago

7 0

Answer:

x=141

Step-by-step explanation:

The measure of all the angles in a septagon (7 sided shape) add up to 900°. The current sum of the known angles 131°+122°+125°+148°+107°+126°=759°.

900° total sum minus known sum 759° equals 141°.

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