3 years ago

Can someone help please and thx:) !

Mathematics

1 answer:

BartSMP [9]3 years ago

7 0

X = 60 degrees.

the triangle is equiangular. All angles are 60 degrees

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Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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iogann1982 [59]

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3 years ago

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The gable end of the roof shown is divided in half by a vertical brace. Find the distance h (in ft) from an eave to the peak. 41

nlexa [21]

Answer:

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Step-by-step explanation:

Assume the diagram is like the one below.

∆ABD is a right triangle.

We can use Pythagoras' Theorem to find the height h.

$\begin{array}{rcl}h^{2} + 40^{2} & = & 41^{2}\\h^{2} + 1600 & = & 1681\\h^{2} & = & 1681 - 1600\\& = &81\\h& = & \sqrt{81}\\&=& \mathbf{9}\end{array}\\\text{The height of the gable is $\large \boxed{\textbf{9 ft}}$}$

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