The values are given u have to find out the value of z
Sin38= O/H Z is H ( longest side ) And Y is O (opposite of marked angle) The answer will be A 68.2 cm
For 8 : The same thing Sin 70= O/H The lighthouse is 160 tall It is the Oppo ( opposite of marked angle 70) and u have to find the hypo (hypotenuse) The answer will be D : 170 feet
