The three angles of a quadrilateral are 60 80 and 100 what is the fourth angle ?
Answers
Answered by
5
Answer:
120 degrees
Step-by-step explanation:
the total sum of all angles of a quadrilateral is 360.
∴60+80+100+∠4=360
⇒240+∠4=360
∴∠4=120 degrees
Answered by
1
ANSWER:
120°
Step-by-step explanation:
The total sum of all angles in any quadrilateral is 360°.
It is given that the three angles of a quadrilateral are 60°, 80°, and 100°. Let these three angles be a,b and c respectively.
Therefore, let the unknown angle be d.
ADDITIONAL INFORMATION:
For verification,
let d be 120°, as per our answer, hence:
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