Question

Help please!!
a) 1 unit
B) 17.69 units
C) 4.23 units
D) 5 units

Answer 1

-------------------------------------------------------------
Formula
-------------------------------------------------------------
a² + b² = c²

-------------------------------------------------------------
Find missing leg:
-------------------------------------------------------------
t² + 12² = 13²
t² = 13² - 12²
t² = 169 - 144
t² = 25
t = √25
t = 5

-------------------------------------------------------------
Answer: t = 5 units (Answer D)
-------------------------------------------------------------