Question

what will be the measure of the fourth angle of a quadrilateral if the measures of three angles is 30,140,15​

Answer 1

it is simple mate just use angle sum property

which states that the sum of angles of quadrilateral is 360°

angle required = x (let)

equation :- 30°+140°+15°+x = 360°

x = 165°

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Answer 2

Answer:

4th angle = 175°

Step-by-step explanation:

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