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Answer :

Answer:

6mm

Step-by-step explanation:

pythagorean theorem

Answer:

Solution given:

length[a]=8mm

base(b)=xmm

hypotenuse [c]=10mm

we have

by using Pythagoras law

a²+b²=c²

8²+x²=10²

x²=100-64

x=√36

x=6mm

the length of the leg b is 6mm.