If angle K is nine more than angle Jay and angle LS 21 less than twice angle J Find a measure of each angle

Answer 1

Let K = J + 9

L = 2J - 21

Then the sum of angle J, K, L =180

( J ) + ( J+ 9 ) + ( 2J - 21) =. 180

4J - 12 = 180

4J = 192

J = 48

K = 48 + 9 = 57

L = 96 - 21 = 75