Answer:
c) 19
Step-by-step explanation:
To find the length of JH, subtract the length of HM from JM.
Length of JH = JM - HM
= 40 - 21
= 19
JH = 19
from the diagram
JH + HM = JM , that is
JH + 21 = 40 ( subtract 21 from both sides )
