Question

What’s the length of side AB in ABC shown?

A. 6
B. 5
C. Square root 15
D. Square root 313

Answer 1

5 I guess

sorry if it's not right

Answer 2

The length of side AB in ΔABC is 5 (B)

Explanation:

Use Phytagoras Theorem :

AB² = BC² - AC²

AB² = 13² - 12²

AB² = 169 - 144

AB² = 25

AB = √25

AB = 5

So, the length of side AB in ΔABC is 5 (B)

Hope it helpful and useful :)