Question

In the diagram, ABCD is a parallelogram. The diagonals of the parallelogram intersect at point T. D 16 If m<ABC =3y+5 and m<ADC =5y-45, what is m<BCD​

Answer 1

Explanation:

m<ABC =3y+5

m<ADC =5y-45

3y+5 = 5y-45

2y = 50

y = 25

.............

m<BCD = 180 - 80 = 100°