In quadrilateral ABCD A=100 B=70 and c:d=8:11 then find D
Answers
Answered by
0
100 + 70 + 8x + 11x = 360 (angle sum property)
170 + 19x = 360
19x = 360 - 170
19x = 190
x= 190/19
x= 10
D = 11x = 11*10 = 110
hope it helps
mark me brainiest
170 + 19x = 360
19x = 360 - 170
19x = 190
x= 190/19
x= 10
D = 11x = 11*10 = 110
hope it helps
mark me brainiest
Similar questions