Question

Date :
/
ABCD is a rhombus such
that < A B C D = 40° then
< ADC is equal to​

Answer 1

Answer:

50 deg

Step-by-step explanation:

<ACB = 40 deg, <BCD = 2*<ACB = 80 deg. <ADC = 180-<BCD = 180–80 = 100 deg, so <ADB = 100/2 = 50 deg