The area of the smaller hexagon is found to be 2,400 mm², given the two hexagons are similar. Hence, 4th option is the right choice.
The areas of two similar figures are in the ratio which is equal to the square of the ratio of their corresponding sides.
If we have two figures A and B, and they are similar, then we can say that:
(Area of A)/(Area of B) = {(Side of A)/(Side of B)}².
In the question, we are informed that the two hexagons are similar in shape.
We are asked to find the area of the smaller hexagon, given the larger hexagon has an area of 7350 mm².
As the two hexagons are similar, we can show that:
(Area of the smaller hexagon)/(Area of the larger hexagon) = {(Side of the smaller hexagon)/(Side of the larger hexagon)}².
The side of the smaller hexagon is given to be 40mm, whereas the corresponding side of the larger hexagon is given to be 70 mm.
Thus, we can show that:
(Area of the smaller hexagon)/7350 = {40/70}²,
or, Area of the smaller hexagon = (16/49)*7350 = 16*150 mm² = 2400 mm².
Thus, the area of the smaller hexagon is found to be 2,400 mm², given the two hexagons are similar. Hence, 4th option is the right choice.
Learn more about the area of similar figures at
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