It would help if you proofread your questions before you posted them, e.g., "sire" and "angle".
Pythagorean theorem:
a^2 + b^2 = c^2, when c is the hypotenuse. From your data, I don't know which sides have what values.
Fid the length of the third sire in right angle
n= 2cm, b=7, a = ?
1 answer