Answer:
7- (y/4)
Step-by-step explanation:
y/4 x 7 = x
dimension is 5cm * 4 cm
As the plane is parallel to the base, the ratio between plane's length and width is equal to the ratio of that of the base. -> similar shape.
Moreover, it also divided the rectangular prism into 2 smaller rectangular prism. hence the plane is identical to the base. Hence, same dimension.
see photo
a. 21.141 for this pi is 3.14 so you add that and 18
b. 6.75 for this one the square root of 25 is 5. you just add 5 and 1.75
c. 7.232 sqaure root of 3 is 1.73 so add those too
d. 4.5558 pi is 3.14 and square root of 2
They will need √161 feet, or about 12.69 feet of fencing. √161 is irrational because 161 is not a perfect square.
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