Question

6.) Two angles of a quadrilateral measure 55° each. The third angle is 140° What is the measure of the fourth angle ?
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Answer 1

Answer:

The 4th angle is 110⁰

Step-by-step explanation:

First and second angle=55×2=110

3rd Angle =140

Fourth angle = ?

1ST ANGLE+2ND ANGLE+3RD ANGLE+4TH ANGLE=360⁰

55+55+140+?=360

360-(55+55+140)=110⁰

SO THE 4TH ANGLE IS 110⁰