Answer:
9.2 yd
Step-by-step explanation:
Given,
hypotenuse(h)=10 yd
base(b)=4yd
perpendicular(p)=?
we have Pythagoras Theorem
h²=p²+b²
p²=h²-b²
p=(h²‐b²)½
=(10²-4²)½
=(100-16)½
=(84)½
=9.2