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konstantin123 [22]
4 years ago
15

How would i solve A & B?

Mathematics
1 answer:
jeka944 years ago
8 0

Answer:

\large\boxed{a)\ A\approx93.53\ in^2}\\\boxed{b)\ 8,640\ in^2}

Step-by-step explanation:

a)

The formula of an area of a regular hexagon:

A=6\cdot\dfrac{a^2\sqrt3}{4}

a - side length

We have a = 6in. Substitute:

A=6\!\!\!\!\diagup^3\cdot\dfrac{6^2\sqrt3}{4\!\!\!\!\diagup_2}=3\cdot\dfrac{36\!\!\!\!\!\diagup^{18}\sqrt3}{2\!\!\!\!\diagup_1}=3\cdot18\sqrt3=54\sqrt3\ in^2\\\\A\approx93.53\ in^2

b)

5ft=5(12in)=60in\\\\12ft=(12)(12in)=144in

The area of a hallway:

A=(60)(144)=8,640\ in^2

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