Question

plz solve the problem of this question​

Answer 1

29² =21²+x²
X² =29²-21²
X²=400
X=20

Answer 2

Step-by-step explanation:

By Pythagoras theorem

(BC)² = (AB)²+(AC)²

29²= 21² + (AC )²

=> 841 = 441 + (AC)²

=> 841 - 441 = (AC)²

=> 400 = (AC)²

=> √400 = AC

=> 20 = AC

=> x = 20