The answer is 4+5+6=15.Hope that helps. :)
Free LCM Calculator determines the least common multiple (LCM) between 9 and 21 the smallest integer that is 63 that is divisible by both numbers. Least Common Multiple (LCM) of 9 and 21 is 63.
...
Prime Factorization of 21.
3 21
7 7
1
It is 3y because of the calculation being equivalent
16 cm
HHHHHHHHHHHHHHHHHHHHHHHHH
Congruent. In other words, the angle on the inside- if that makes sense
