In Fig. 14.112, ABCD is a trapezium. Find the values of x and y.
Given,
ABCD is a trapezium
= ∠A+∠D = 180°
=2x+10°+x+20° = 180°
= 3x+30°= 180°
= x= 
∠B+∠C = 180°
= y + 92° = 180°
= y = 180°-92° = 88°
16
In Fig. 14.112, ABCD is a trapezium. Find the values of x and y.
Given,
ABCD is a trapezium
= ∠A+∠D = 180°
=2x+10°+x+20° = 180°
= 3x+30°= 180°
= x=
∠B+∠C = 180°
= y + 92° = 180°
= y = 180°-92° = 88°