the three angles of a quadrilateral are 90°, 100° and 90°. Find the fourth angle
Answers
Answered by
0
Answer:
80
Step-by-step explanation:
sum of all angles of quadrilateral is 360
so
fourth angle = 360-( 90+100+90)
= 360 - 280
= 80
Answered by
0
Step-by-step explanation:
Total sum of all angle of quadrilateral = 360 °
90°+ 100 °+90°+x° = 360°
280° + x° = 360°
x°= 360°-280°
x°= 80°
Similar questions