Question

the measure of three anglesof a quadrilateral is 30⁰,70⁰ and 100⁰find measure of fourth angle​

Answer 1

Answer:

answer is 160°

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Answer 2

Given ,

• angles of quadrilaterals = 30° , 70°, 100°

Find ,

• fourth angle = ? = x°

Let ,

• sum of angles of quadrilaterals = 360°

Now ,

• 30° + 70° + 100° + x° = 360°

• 200° + x° = 360°

• x° = 360° - 200°

• x° = 160°

There fore ,

• Fourth angle of quadrilateral = 160°