4 years ago

Name the polygon. Write whether it is regular or not regular.

Mathematics

1 answer:

andrew-mc [135]4 years ago

8 0

Answer:

since the polygon has eight sides, it's an octagon and no, it's not regular since length of all sides of a regular polygon must be equal but in that octagon, not all sides are equal.

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3 years ago

Figure A is enlarged to create figure B. The ratio of the areas of A and B is 16:49.

Nadusha1986 [10]

Answer: $\dfrac{20}{7}$

Step-by-step explanation:

Given

The ratio of the area of the similar triangles is equal to the square of the side of the corresponding sides

Suppose the corresponding side on figure A is $x$

On solving

$\Rightarrow \dfrac{16}{49}=[\dfrac{x}{5}]^2\\\\\Rightarrow \dfrac{x}{5}=\sqrt{\dfrac{16}{49}}\\\\\Rightarrow \dfrac{x}{5}=\dfrac{4}{7}\\\\\Rightarrow x=\dfrac{20}{7}$