11III11II1 11III11II1

02-01-2022
Mathematics

contestada

three angles of a quadrilateral are 72⁰,45⁰ and 113⁰ calculate the fourth angle

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02-01-2022

Answer:

130

Basic fact:

angles in all quadrilaterals add up to 360 degrees

Step-by-step explanation:

a=angle

72+45+113+a=360

230+a=360

360-230=a

130=a

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