Question

please answers it , Question 6

Answer 1

we know that
$< a + < b + < c + < d = 360$
given <a=60
<b=2 <c
<d=2 <c
60+2<c+<c+2 <c=360
5<c=300
<c=60
<b=2×60=120
<d=2×60=120
hope you got it