given ∆ABC ≅ DEF ;∠A=35 and ∠F=55.What would be the measure of ∠D?

Answer:
1. a
2. b
Step-by-step explanation:
1. c²=a²+b²
5²=a²+4²
a²=25-16
a=√9
a(c)=9
2. angle a is congruent to angle d, angle a measures 35 degrees therefore, angle d is also 35 degrees