Answer:
a) 5.83 cm
b) 34.4 deg
Step-by-step explanation:
a)
AC is the hypotenuse of a right triangle with legs measuring 3 cm and 5 cm.
c^2 = a^2 + b^2
c^2 = 3^2 + 5^2
c^2 = 9 + 25
c^2 = 34
c = sqrt(34) cm = 5.83 cm
b)
Triangle ACD is a right triangle with right angle DAC.
AD = 4 cm
AC = 5.83 cm
tan <ACD = opp/adj
tan <ACD = AD/AC
tan <ACD = 4/5.83
m<ACD = tan^-1 (0.68599)
m<ACD = 34.4 deg
Answer: 5
Step-by-step explanation:
8+2=10
10/2=5
