Answer:
The answer is 20.27
Explanation:
Assuming you are talking about the pythagorean theorem, the equation is
a^2 + b^2 = c^2
Plug the values of a and b into the problem and solve.
(20)^2+ (√11 )^2=c^2
That can be further simplified to
400+11
as 20 * 20 is 400 and √11 *√11 is 11.
Then you add those answers together which equals
411
Remember that 411 is equal to c^2.
To solve for c you have to take the square root of the equation.
√411=√(c^2)
When simplified √(c^2) is
20.27313493
Now rounding to the nearest hundredth means the second decimal place is what you round to.
The second decimal place is where the 0.07 is at. 3 is closer to .07 than to 0.08 so you round down.
The answer is thus 20.27