A quadrilateral has three acute angles , each measures 80 degrees , what is the measure of the fourth angle
Answers
Answered by
0
Answer:
120
Step-by-step explanation:
sum of angles in quadrilateral = 360
let the fourth angle be y
80+80+80+y=360
240+y=360
y=360-240
y=120
Answered by
1
Answer:
A quadrilateral has 360°
so,
Let fourth angle be A°
80° + 80° + 80° + A° = 360°
240° + A° =360°
A° = 360° - 240°
A° = 120°
the fourth angle is 120°
Step-by-step explanation:
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