Step-by-step explanation:
Using Pythagorus theorem:

Therefore,

Answer:
s = - 12.8
Step-by-step explanation:
Given
= - 3.2 ( multiply both sides by 4 to clear the fraction )
s = 4 × - 3.2 = - 12.8
Answer:
-29x-5
Step-by-step explanation:
Answer:85.5
Step-by-step explanation:
Use calculator