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2 years ago

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this.

Mathematics

1 answer:

Artyom0805 [142]2 years ago

7 0

Answer:

I think that the first one is not a rhombus but the last two are.

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Width of the miniature model = $3\frac{3}{4}$ inches

Length of the miniature model = $5\frac{1}{2}$ inches

The actual width of the boat = 15 feet

Let us find the actual length of the boat.

Write it in a proportion form.

width of model : length of model : : width of actual : length of actual

$$\Rightarrow 3\frac{3}{4}:5\frac{1}{2}::15:x$

$$\Rightarrow\frac{15}{4}:\frac{11}{2}::15:x$

$$\Rightarrow\frac{\frac{15}{4}}{\frac{11}{2}} =\frac{15}{x}$

Do cross multiplication.

$$\Rightarrow{\frac{15}{4}x =15\times\frac{11}{2}$

$$\Rightarrow{\frac{15}{4}x =\frac{165}{2}$

$$\Rightarrow x =\frac{165}{2}\times{\frac{4}{15}$

⇒ x = 22

Hence the actual length of the boat is 22 feet.

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3 years ago

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this. ​

All rhombus have all sides that are equal in length but which one are rhombus or not. Need help on this.