Exact Form: 21/25
Decimal Form: 0.84
Step-by-step explanation: Reduce the expression, if possible, by cancelling the common factors.
It's false. Sometimes shapes might not have perpendicular segments but this is false.
In a Triangle, sum of two shorter sides must be longer than the longest side, so the only option which obeys the rule is 6 cm
In short, Your Answer would be: Option D
Hope this helps!