Pythagorus Theorm
a sqr + b sqr = c sqr
25 sqr + 7 sqr = c sqr
625 + 49 = c sqr
625 + 49 = 674
c = sqr root of 674
c = 25.96 (rounded to 2dp)
N = 4
(3)(4)-(2+4) = 12 - 6 = 6
Answer:
1 1/4 hours=60+15 minutes =75 minutes
hence, 75 divided by 5 = 15 five minutes intervals:)
Ans: 15 five minutes intervals
