If the legs are length a and b and hyptonuse is c then
a²+b²=c²
so
if the legs are 20 and 21 and the hypotnuse is x then
20²+21²=x²
400+441=x²
841=x²
29=x
Answer:
it is the answer check out.
Step-by-step explanation:
I hope it can help you
5*4032=5*(4000+30+2)=5*4000+5*30+5*2, it helps to break down the number to smaller bits,
Answer:

Step-by-step explanation:







