Question

how to solve this question tell in detail on notebook

Answer 1

here,

72/240= x /220

x= 220×72/240

x=15840/240

x= 66°

answer:

the correct value is actually 66°

here,

if the angle taken is 72° , then the total value is 240. therefore, if the angle for the total value 220 is taken as x and solved by Cross multiplication the answer obtained is 66°

hope it helps mate!