Question

determina masurile unghiurilor rombului abcd stiind ca m(bad) = 1/4 x m(abc)

Answer 1

m(<ABC)=4m(<BAD)
x=m(<BAD)=m(<BCD)
x+4x+x+4x=360°
10x=360°
x=36°
m(BAD)=36°=m(<BCD)

m(<ABC)=4×36°=144°
m(<CDA)=144°