Question

The measures of the three angles of a quadrilateral are 65º, 75º and 85º. The measure of the fourth angle is​

Answer 1

Answer:

35

Step-by-step explanation:

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Answer 2

let 4 angle=x

65+75+85+x =360

because measure of angle of a quardrilateral is 360

then

225+x=360

x=360-225

x=135

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