Legs = 20 mm and 27 mm
a? + b2 = c2
2 points
YOUR QUESTION:
6
20 mm
27 mm

Answer:
a=18.1 or √329
Step-by-step explanation:
a²+b²=c²
a²+20²=27²
a²+400=729
a²=329
a=18.1 or √329 depending on what form you are answering in, radical or decimal.