Sagot :
Typically the letters in each figure correspond to the same letter in the second figure so D = Q, E = R, etc.
You are told E = 143, so since E = R , then R should also be 143 degrees.
Typically the letters in each figure correspond to the same letter in the second figure so D = Q, E = R, etc.
You are told E = 143, so since E = R , then R should also be 143 degrees.