Two similar solids A and B are shown. B
3 cm
6 cm
Solid A has a volume of 60 cm
a) Work out the volume of solid B.
Solid B has a total surface area of 140 cm
b) Work out the total surface area of solid A.

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step-by-step explanation:

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

the answers might not be correct use at own risk

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step-by-step explanation:

b. f(x) = –√x + 3this is the correct answer