7/8+5/12 is 12/20 GCF of 4 and it simplifies to 3/5
Answer:
i think its 10cm
Step-by-step explanation: brainlyest plz :)
90+80=170
180-170=10
Answer:
You got it! ill do it now
Step-by-step explanation:
3x + 4x +5x = 54 (because the perimeter = sum of its dies)
12x = 54
x = 4.5
So the 3 sides are 3*4.5 , 4*4.5 and 5*4.5
= 13.5, 18 and 22.5 units (answer)