Is 0.12 a rational number
2 answers:
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1) ,
,
,
(given)
2) (reflexive property)
3) (SSS)
4) (CPCTC)
5) and
are right angles (perpendicular lines form right angles)
6) and
are right triangles (a triangle with a right angle is a right triangle)
7) (HA)
8) (CPCTC)
5 m/sec or 300m / min
using speed =
change 5 min 20 sec to seconds = (5 × 60) + 20 = 320 sec
speed = = 5m / second or
speed = 60 × 5 = 300m / minute