Answer:
75
Explanation:
Here,
Hypotenuse (h)= X
base (b)= 72
perpendicular(p)=21
Now, h2=P2 + B2
x2 = (21×21) + (72×72)
x2= 441 + 5184
x2= 5625
X= √ 5625
X= 75
