Question

The three angles of a quadrilateral are 70°, 92°and 100°. Find fourth angle . *

Answer 1

Answer:

Sum of all sides in quadrilateral = 360

70°+92°+ 100°= 162°

360°-162°= 198°Ans

Answer 2

Answer:

Given,

Three angles of quadrilateral are 70°,92° and 100°

To find,

4th angle =?

Solution:

According to angle sum property of quadrilateral

Sum of all angles =360

A1+A2+A3+A4. =360°

70°+92°+100°+A4=360°

A4=360°-262°

A4=98°

Therefore 4th angle of quadrilateral measures 98°

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