Question

three angeles of quadrilateral are 65°, 55°and 130°find the fourth angele​

Answer 1

Answer:

4th angle = 110

Step-by-step explanation:

sum of 4 angles of quadrilateral = 360

65 +55+130+x = 360

120+ 130 +x = 360

250+x = 360

x = 360-250

x = 110

the fourth angle = 110

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Answer 2

Answer:

Fourth angle=110°

Step-by-step explanation:

Given that,

First angle=65°

Second angle=55°

Third angle=130°

Sum of threes angles of quadrilateral=65°+55°+130°

=250°

Sum of four angles of quadrilateral=360°

Fourth angle of quadrilateral=360°-250°

=110°