What is the length of the hypotenuse in the right angled triangle to one decimal place? (a=5cm, b=4cm)
Step 1. Use the formula a2+b2=c2
Step 2. Square a and b to find a2=25 and b2=16
Step 3. Add a2 and b2 to find c2=41
Step 4. Find the square root of c2 is sqrt(41)=6.403
Step 5. Round 6.403 to 6.4cm
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