Answer:
Hello,
Step-by-step explanation:
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<u>Formula used (a+b)^2=a²+2ab+b²</u>

Im not sure but I think it’s Y/2-2 (the y and 2 is a fraction)
S2= 864/6
s = = 12 cm
p = 4/3 x 12 = 16 cm
t = 2/4 x 16 = 8 cm
l= 3/4x 16 = 12 cm
lp= 2 (pl+pt+lt)
= 2 (16 x 12 + 16 x 8 + 12 x8)
= 2 (192+128+96) = 832cm²
Answer:
15.8
Step-by-step explanation:

Answer:
61
Step-by-step explanation:
61 is a whole number so you don't need to round it to one.