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3 years ago

7

PLZ HELP ME!!!! I'LL GIVE U EXTRA POINTS IF ITS RIGHT

1 answer:

Alexandra [31]3 years ago

3 0

I believe it is B. Have a good day.

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The answer is A I believe.

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6. A prism has bases that are equilateral triangles with sides lengths of 10 inches and a length of 30 inches.

vova2212 [387]

Answer:

The volume of the prism is $1,299\ in^{3}$

Step-by-step explanation:

we know that

The volume of the prism is equal to

$V=BL$

where

B is the area of the triangular base

L is the length of the prism

we have

$L=30\ in$

<em>Find the area of the base B</em>

The area of a equilateral triangle is equal to

$B=\frac{1}{2}(10)^{2} sin(60\°)$

$B=25\sqrt{3}\ in^{2}$

substitute

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