if the two angles of a quadrilateral are suppleme

Question

if the two angles of a quadrilateral are supplementary and the third angle is 30degrees ,then find the fourth angle

Arun · Accepted Answer

if two angles(A and B) are supplementary thenA + B = 180 now A + B + C + D = 360 D+ 180 + 30 = 360 hence D = 360 – 210 = 150 Hope it helps

if the two angles of a quadrilateral are supplementary and the third angle is 30degrees ,then find the fourth angle