3 years ago

How are problems like these solved

Mathematics

1 answer:

Flura [38]3 years ago

4 0

the angles on the opposite sides of a quadrilateral touching the circumference adds up to 180 degrees

so,

(21x-2) + (38x +5) = 180

21x+38x −2+5=180

59x+3=180

59x=177

x=3

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