The triangles are similar by the SSS (side-side-side) similarity theorem because the sides of the two triangles are in proportion (5/15 = 3/9 = 4/12)
Hope this helps =)
Why not look up "standard deviation" yourself, to be sure? But yes, the std. dev. is the sqrt of the variance.
Answer:
c
Step-by-step explanation:
because I'm brainlyiest
Answer: 90,720
Step-by-step explanation: 56*54=3,024
5*6= 30
3,024*30=90,720
