Answer:
13212
Step-by-step explanation:
Answer:
4√5
Step-by-step explanation:
Use Pythagorean theorem
a^2=21^2-19^2
a^2=441-19^2
a^2=441-361
a^2=80
a= √80
simplify
Answer:
For
, d = 7.2
Step-by-step explanation:
Here, the given expression is 
To find the value of the variable d :

or, 
Hence, for
, d = 7.2
Answer:
11.180339887498cm or 11.2cm
Step-by-step explanation:
Using pythagoras- a² + b² = c²
Therefore 5² + 10² = 125²
Root of 125 will be the answer